LevelOne VOI-7000 manual

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Table of contents for the manual

  • Page 1

    LevelOne VOI- 70 0 0 V oIP Phone VOI-7100 PoE V oIP Phone User Manual V er . 2.4 - 1008[...]

  • Page 2

    ii Safety FCC WA RNING This equipm ent may generate or use rad io frequency energ y . Changes or modifications to this e quipment m ay caus e harmf ul interference unless the modifications are expre ssly approved in the i nstruction manual. The user could lose the authorit y to operate this equipm ent if an unauthori zed change or modification is m[...]

  • Page 3

    iii T able of Co ntent s 1. INTRODUCTION .......................................................................................... 1 1.1. F EA TURES ................................................................................................ . 2 1.2. P ACKING C O NTENT S .........................................................................[...]

  • Page 4

    iv Call W aiting ................................................................................................... 26 3.3. N ETWORK ............................................................................................... 27 Network S tatus ............................................................................................... 28 Br[...]

  • Page 5

    v 5. SIP Settings ........................................................................................ 58 6. NA T T ransversal ................................................................................. 60 7. Administrator ..................................................................................... 60 5. APPLICA TION EXAMPLE ....[...]

  • Page 6

    1 1. Introduction The VOI-7000 / VOI-7100 IP Phone is an LCD V oIP Phone with SIP Pr otocols for V oice over IP (V oIP) applications. This user ‟s manual will expla in the ke y pad instructio ns and web configurations for the V oIP Phone. IP Phone can make a V oIP call over the ADSL Intern et connection, a nd it provides one RJ45 WAN port for ADS[...]

  • Page 7

    2 1.1. Features  SIP v1 (RFC2543), v2 (RF C3261) with MD5 auth entication (RFC2069 and RFC 2617)  RJ45 x 2 for Ethernet WAN and LAN ports  ITU-T G .71 1, G .723, G .726, G .729A/B, V AD a nd CNG for S peech C odec  ITU-T G .165/168 Ech o Cancellatio n  LCD Display for reg istered IP phone num ber  Configurations b y W eb Browser a[...]

  • Page 8

    3 1.2. Packing Conten t s Open the shipping cartons of the Switch and c arefully unpacks its contents. The carton should co ntain the following items: – SIP IP T elephone – Power Adaptor – Cat.5 Cable – CD User Manual If any item is f ound missing or damaged, please contact your local resell er f or replacement[...]

  • Page 9

    4 2. Hard w are Description 2.1. LCD Displa y and Keyp ads The LCD displa y and ke ypads of IP Phone are as the follo wing. LCD Display Menu Key V olume Up / Down Number Keyp ads Handsfree VMS LED Handset[...]

  • Page 10

    5 2.2. Front Panel VOI -7000 VOI -7100 Power LAN RJ45 W AN RJ45 Power LAN RJ45 W AN RJ45 ( PoE )[...]

  • Page 11

    6 Memory Card Use the mem ory card as a name index for s peed d iall er or extensions.[...]

  • Page 12

    7 2.3. Connection Dia gram Withou t Broadband Router With Broad band Router Note Public Switched T elephone Network (PSTN), which refers to the international telephon e system based on copper wires c arrying analog voic e data T elephone service carried by the PST N is often called plain old telepho ne service ( POTS). LAN W AN Power Internet LAN I[...]

  • Page 13

    8 2.4. Inst allation 1. Connect IP Phone RJ45 WAN port to NA T Router using a C ategory 5 LAN cable. 2. Connect IP Phone RJ45 LA N port to Notebook PC using a Category 5 LAN cable. 3. Connect DC po wer adapt or , and the LCD panel will start showing Loading Program! and System Initialized. 4. The LCD panel will show Date, Time and No service withou[...]

  • Page 14

    9 2.5. Default Setting IP Address : 192.168.1.100 (LAN) Login Nam e : root Password : root Note WAN port IP address wi ll depend on the de vice connect with. For exam ple, Broadband Router provides DHC P server an d assign IP address to the IP Phone when it connec ted. 2.6. Reset to Default Press M ENU / 7.Administrator / 2.Def ault setting / 1.Loa[...]

  • Page 15

    10 3. W eb Configuration Y o u m ay enter the IP ad dr ess from P C W eb browser to configure IP Phone. For example, enter h ttp://192.168.1.100 from Web browser to disp lay login page as follows. Enter the username and p a ssword into the blank field. T he default set tings are: Usernam e: root Password: root Click the “ Login ” button will en[...]

  • Page 16

    11 System Informatio n After login, you will see t he system inform ation like firmware version, Co dec, etc in this page. Y o u may click the button list at the left hand side to configure the IP Phone. Caution VOI-7000 and VOI-7100 use different firm ware format, check it carefully before upgra de[...]

  • Page 17

    12 3.1. Phone Book The Phone Book specifies pre-rec ord phone list and speed dialling functi on, it allows up to 140 rec ords on the phone book .[...]

  • Page 18

    13 Input the Position (0 ~139), Name and URL , then click the “Add Phone” b utton to enter . Note URL can be either com plete strings or num bers only , it depe nds on your ser vice provider . Example Phone Name URL Select 1 David 221 □ 2 Bill 221090@sipcall.or g □ 3 Jone 221080@19 2.168.12.234 □ 4[...]

  • Page 19

    14 Sp eed Dial Setting For S peed Dial function y o u can add/delete S p eed Di al num ber up to maximum 10 entries in S peed Dia l Phone List.[...]

  • Page 20

    15 If you need to add a p hone number into the S peed Dial list, you need to enter the position, the nam e, and the phone num ber (by URL type). W hen you finished a new phone l ist, just click the “ A dd Phone ” button . If you want to delete a ph one num ber , please select the phone num ber you want to delete then c lick “ Delete Selected [...]

  • Page 21

    16 3.2. Phone Setting The sub pages are as f ollows; Call Forward, S NTP , V olume, Mel ody (Ringer), DND, Auto Answer , Dial Plan, Flash Ti m e, Call Waiti ng, Soft -k ey , Hot line and Alarm func tions. Phone Setting Call Forward SNTP V o lume Melody Block Settings Auto Dial Call Waiting[...]

  • Page 22

    17 Call For w ard Y o u can have your i ncom ing calls f orwarded to a specif ied destinat ion. Y ou can select the forward m ode and enter the f orward URL. All Forwa rd All incoming calls are f orwarded to the URL you choose. Busy Forward The incom ing calls are forward ed t o the URL when your line is bus y . No A nsw er Forward All incoming cal[...]

  • Page 23

    18 All Fwd No S pecify All Forward num ber Busy Fwd No S pecify Bus y Forward number No A nsw er Fwd No S pecify No Answer For ward number No A nsw er Fwd Time Out S pecify the time perio d before f orward calls Note Y o u have to set the T im e Out Timer to start to forward the calls. It requ ires “Submit”, “Save” an d “Reboot” to acti[...]

  • Page 24

    19 SNTP Y o u can setup the prim ary and second SNT P Serv er IP Addres s, to get the date/time inform ation. Y ou m ay also set the T ime Zone, and ho w long need to synchr onize again. W hen you finished t he setting, pleas e click the “Submit” button. SNTP (Simple Network Time Protocol) SNTP is an acronym that stands for Sim ple Network T im[...]

  • Page 25

    20 V olume Raise or lower the soun d le vel b y using the V olum e Control. For example, if it is difficult to hear the other party's voice; raise the Handset V olum e, or If the other party has difficulty hearin g you; rais e the Handset Gain lev el. Handset V ol . Set the volum e to hear from the handset Speaker V ol. Set the volum e to hear[...]

  • Page 26

    21 Melody Y o u ma y se t ON the ringer and se lect different ringer type for Melod y settings. Note Because the defau lt ringer is ringer 1 , it m eans the setting will rem ain as off if you s witch On an d select ringer 1[...]

  • Page 27

    22 Block Setting Y o u can setup the Block Setting to k eep the phone silence. Y ou m ay set this feature when you are in a m eeting or busy . Always Block All incoming call will be blocked when enabled Block Period Set a time period and the phone will be blocked during the tim e period W hen the time in “ From ” is greater t han “ To ”, th[...]

  • Page 28

    23 Auto A nsw er Y o u ma y enabl e the Auto Answer function to ans wer the incoming call b y FXO port. W hen the ri ng cou nt exceeds the num ber set in Auto Answer Counter , the FXO port will auto answer and allow for extension calls from PSTN to V oIP and vice versa. For the incom ing call from the Internet, the FX O port will answer with a PSTN[...]

  • Page 29

    24 Auto A nswer Enable this function to answer the incoming calls f rom PSTN line automatically . It allows user to place call to Internet again. Auto A nswer Counter Set time period before p hone pick up the calls autom atically PIN Code Enabled Enable the call restriction f rom PST N line to V oIP or v ice versa. PIN Code Set the PIN code. Us er [...]

  • Page 30

    25 Auto Dial Auto dial tim er setti ngs can be set in this p ag e. T he au t o d ial tim er specifies the elapse time between the dialling digits . Auto dial Time The int er -digit tim er . Default is 5 seconds[...]

  • Page 31

    26 Call W aiting Y o u can enable the cal l waiting function in this page. It allows answer i ng another com ing call by pressing flas h key while holdi ng the current call. Y ou may switch back to previous call by press ing flash k ey again. Note Flash key m eans On-hook and Off-hook in short period without hangin g up the cal l.[...]

  • Page 32

    27 3.3. Net w ork Y o u can check the Network st atus, and conf igure the WA N, LAN, DDN S, VLAN , DMZ, Virtual Server and PPT P settings in this section. Ne twork S tatus WAN LAN DDNS VLAN DMZ Virtual Server PPTP[...]

  • Page 33

    28 Network S t atus Y o u can check and show the current Net work settings in this page. Interf ace 0 shows WAN port status, and Interface 1 shows LAN port s tatus.[...]

  • Page 34

    29 Bridge The Bridge setting is used to configure the Ethernet port connects to the ADSL Modem/Router , or Ethernet switch.[...]

  • Page 35

    30 Bridge W hen setting to Bridge Mode, the WAN and the LAN ports will be br idged. IP T ype There are three select ions for Bridge : Fixed IP , DHCP Client , an d PPPoE modes. For Fix IP Mode, please mak e sure the IP address. Net Mask , Gateway , and DNS settings are suitable in your current network environm ent. For PPPoE Mode, you have to enter[...]

  • Page 36

    31[...]

  • Page 37

    32 DDNS Setting DDNS (D ynamic DNS) A service that lets anyone on the Internet gain access to resources on your local network when the Internet address of that network is constantly changing. W hen it detects that the IP address of the cable or DSL modem has changed, i t notif ies the DDNS service provider of the new address.[...]

  • Page 38

    33 Y o u need to have a DDN S account bef ore configuring the DDNS set ting. Usually , m ost of the V oIP applications are working with a SIP Prox y S erver . Nonetheless, you m ay have a DDNS acc ount with a public I P addres s, and others can call you via the DDNS account. Example In th is exam ple, the other u ser can place V oI P calls to your [...]

  • Page 39

    34 3.4. SIP Settings Y o u can setup the Service Dom ain, Port Settings, Codec Settings, RTP Setting, RPort Setting and Oth er Settings f or SIP P rox y Server r egistrations in this page. SIP Setting Service Dom ain Codec Codec ID Other[...]

  • Page 40

    35 Underst anding the SI P SIP , the Session Initiation Protocol, is a signalling pro tocol for Internet conferencing, telephon y , presence, e vents notification and instant mes saging. SIP was developed within t he IETF MMUSIC (Mu ltiparty Multimedi a Session Control) working gro up, with work proc eeding since September 199 9 in the IETF SIP wor[...]

  • Page 41

    36 Service Doma in Y o u ma y regist er up to three SIP accounts in the IP Phone . Y ou can ca ll your friends via firstly enabled SIP account and receive the phone calls from all the three SIP accounts. It supports 3 services, allo w user register on different service providers. C lick “Active” ON to enable the Service Dom ain, then enter th e[...]

  • Page 42

    37 Realm (1 ~ 3) Active Enable the SIP account Display Name Enter the nam e you want to displa y User Name Enter the User Nam e given by your IT SP Register Name Enter the Register Nam e given b y y o ur ITSP Register Password Enter the Register P assword given b y your ITSP Domain Server Enter the Dom ain Server given b y y o ur ITSP Proxy Server [...]

  • Page 43

    38 DTMF Setting Y o u can setup the opt ions for DTMF function in this page. The options include RFC2833 (Outband DTMF), Inband DTMF , and Send DTMF SIP info. T he default is set at Inban d DTMF . If you are making two-stage callings for ex tension to PSTN, you m ay need to select Outband DTMF option. Port Setting The SIP Port and RTP P ort numbers[...]

  • Page 44

    39 STUN Setting The STUN f unction must be enabled to work properly beh ind NA T when registered in SI P server . Y o u m ay e nter the STUN server I P a ddress and the STUN port num ber . Please check your ITSP for STUN inform ation.[...]

  • Page 45

    40 Codec Y o u can setup the Cod ec priority , RTP packet length, a nd V AD function in this page. Codecs basicall y convert analog signals to d igital form and v ice versa.[...]

  • Page 46

    41 Codec Priorit y Adjust Codec priorit y to meet your requirement, lo wer number shows higher priority . RTP Packet Length Adjust Codec g71 1, g729 and g723 packet length G .723 5.3K Enables 5.3K bit/s rat e when use g723 V oice V AD V AD (V oice Activity Detec tion) is used to reduce the transm ission rate during inactive speech per iods. V AD cl[...]

  • Page 47

    42 G .729 T he G .729 and G .729A conjugate structure algebraic code exc ited linear prediction (CS-ACELP) cod ing sc heme also compresses PCM using advanced codebook technolog y . It uses 8000 bps of total band width. G .723 T he G .723 and G .723A multipulse m aximum likelihood quantizat ion (MPMLQ) coding schem es use a look -ahead algori thm. T[...]

  • Page 48

    43 Codec ID Y o u can setup the Cod ec ID in this page. Y o u need to follow the IT SP suggestion to setup th ese items. Note T wo V oI P devices with different Codec ID will ca use the interoperabili ty issue. If you are talking with others got some problems , y ou ma y ask the ot her one what k ind of Codec ID he use, t hen you can change your Co[...]

  • Page 49

    44 Other Setti ngs Y o u can setup the Hold b y RFC and QoS in th is page. T o change these settings please follows your ITSP inf ormation. The QoS is used to set the voice packet priority . H igher value other than zero will get higher priorit y for the voice packets in Internet. Ho wever , the QoS function still needs to cooperate with the other [...]

  • Page 50

    45 3.5. Auto Config Auto Configuration funct ion can be used to do wnload the original configurations stored i n the TFTP or FTP server . Auto Config Auto Config ICMP Settings Auto Co nfig This feature allows serv ice provider to prov ision their custom er's IP Phone, end - to -end. B y employing a TFTP / FTP server , the provisioning ser ver [...]

  • Page 51

    46 Note Auto Config is idea f or ITSP or large network group to deplo y V oI P de vices easily[...]

  • Page 52

    47 ICMP Setting The ICMP function is to ech o w h en s omeone ping thi s device. T his can pre vent from hack er attacking the device by not echoing. ICMP Not Echo ICMP is used to acknowled ge and echo for the Ping request. IP Phone will echo for the IP Ping request at def ault. Selecting ON for ICM P Not Echo will ignore the I P Ping request and k[...]

  • Page 53

    48 3.7. Save Change Y o u must s ave the changes you have m ade, and click the Save b utton. After clicking the “Save” b utton, the IP Phone wi ll save the new settings into ROM and reboot it autom atically 3.8. Up date User can update th e IP Phone firmware when n ew firmware is a vailable. Mak e sure no power off during the f irmware upgrade.[...]

  • Page 54

    49 Up date Firm w are The IP Phone provides two m ethods, HTT P or TFT P , to upd ate new firmware as the following steps: 1. Select the firm ware code type, Risc or DS P code. (m ostly for Risc code) 2. Click the “Browse” button to choose the update d file location for HTT P download, or 3. Select TFTP and enter the IP address of TFT P server [...]

  • Page 55

    50 Caution VOI-7000 and VOI-7100 use different firm ware format, check it caref ully before upgrade Do Not power off during the upgrade processing, it m ay damage the IP Phone For update firm ware by T FTP , the TFTP server is required. Contact your netw ork administrator for m ore inform ation[...]

  • Page 56

    51 Default Setting Y o u can restore the IP Phone to factor y default in this page. By click ing the “Restore” button, the IP Phone will restore to default and autom atically restart again. 3.9. Reboot Y o u ma y c lick the Reboot button to restart, the n I P Ph one will autom atically reboot with the stored configurations.[...]

  • Page 57

    52 4. LCD Display and Key p ad Y o u can use ke yp ad to co nfigure and to check the status of IP Pho ne. Make sure that the WAN port is connected to AD SL Ethernet, or you m ay hear a busy tone from the telephone.[...]

  • Page 58

    53 4.1. Keyp ad Descrip tions Key Descriptions 1 “1”, “ - “, “ ٫ ”, “! ”, “?” 2 “2”, “a”, “b”, “c”, “A”, “ B”, “C” 3 “3”, “d”, “e”, ”f” , “D”, “E”, “F” 4 “4”, “g”, “h”, “I”, “G” , “H”, “I” 5 “5”, “j”, “k” , “l”, “J”, “K”,[...]

  • Page 59

    54 Key Name Descriptions PHONEBOOK T o show the phone book list. CID T o show Incoming calls histor y . OUT T o show Outgoing calls histor y . ENTER The “Enter” is for s etting selections. MENU The “Menu” ke y is to set the IP Phone ▲▼◄► Use navigate k eys to select menu item s. VOL+/- Set the volum e High/Low TRANSFER “T ransf er[...]

  • Page 60

    55 4.2. LCD Menu 1. Phone Boo k 1.Search Search Phone Book 2.Add entry Add new phone number to phone book 3.Speed dial Add speed dial phone number 4.Erase all Erase all phone num ber 2. Call History 1.Incoming calls Show all incom ing call. 2.Dialed numbers Show all dialled ca ll. 3.Erase record Delete call histor y . 1 All: Delete all call histor [...]

  • Page 61

    56 4.Ring T imeout: Set the Ring tim es to start the Forward function ( 2 ~ 8 Rings) 2 Do not Disturb 1.Allways: Block all calls 2.By Period: Block c alls by the period tim e 3.Period T im e: Set the start time and end time to Block calls. 3 A larm Sett ing 1. Activation: Enable/Disa ble alarm 2. Alarm Time: Set the alarm tim e 4 Date/Time setting [...]

  • Page 62

    57 2.Ringer type: Ringer to ne selection from 1~4. 7 A uto Dial Auto Di al time selection from 3~9 seconds. 4. Network 1 General 1 IP T ype: Fixed IP client DHCP clien t: PPPoE client: 2 Fixed IP setting: Host IP Subnet mask Gateway I P 3 PPPoE setting: User name Password 4 DNS Server Primary DNS Secondary DNS 5 VLAN VLAN for Phone VLAN for NA T 2 [...]

  • Page 63

    58 5. SIP Settings Note T o set the SIP s etting from keyp ad, you have to press Menu _7_4 (Administrator → S ystem Authent) input the password f irst, or the SIP setting ma y not be allowed to acces s. The default password is root 1 Service Domain 1 First realm Activation: User name: Display name: Register name: Register pa ssword: Proxy s erver[...]

  • Page 64

    59 2 Codec 1 Codec type G .71 1 uLaw : G .71 1 uLaw G .71 1 aLaw : G .71 1 aLaw G .723: G .723.1 G .729: G .729A G .726-16: G .726 16Kbp s G .726-24: G .726 24Kbp s G .726-32: G .726 32Kbp s G .726-40: G .726 40Kbp s 2 V AD V o ice Activity Detection En able/Disable. 3 RTP Setting 1 Outband DT MF: Outband DTMF Enabled/Disabled 2 Duplicate RTP No du[...]

  • Page 65

    60 6. NA T T ransversal 1 STUN setting 1. STUN: STUN Enabled/Disab led 2. STUN server: Server IP Address 7. Admin i strator 1 A uto Config 1 Config Mode: Select Di sable/TFTP/FTP/HTTP for auto config function with server . 2 T FTP server: Set the TFT P server IP address. 3 FTP server: Set the FTP serv er IP address. 4 FTP Login Name: Set the login [...]

  • Page 66

    61 5. Application E xample Y o u can use PC W eb browser to configure I P Pho ne. For example, enter http://192.168.1.100 f rom PC web browser . A. ADSL Connections w ith NA T enabled in IP Phone B. A DSL Connections w ith external N A T Router[...]

  • Page 67

    62 5.1. PSTN Calling Applications: VOI-7100 is default at the V oIP mode. For PSTN c alls, you ma y just pick up the phone, press 0* key or PST N function key , and dial directly to the PSTN number like a norm al telephone. Configurations: The “ A uto Answer ” is OFF at def ault, and the function of ex tension call from SI P to PSTN is disabled[...]

  • Page 68

    63 5.2. SIP- to -SIP Calling Applications: The SIP- to -SI P ca lling works when both calling a nd an swering parties are registered to SIP server with give n registered phone n umbers. The ADSL connections can be as in either Diagrams A or B. Both parties are registered to SIP server under NA T router . For Di agram A without NA T router , you m a[...]

  • Page 69

    64 Dialling without # will not dial out until the a uto dial timer (default=5 seconds) elapsed.[...]

  • Page 70

    65 5.3. SIP- to -PSTN Calling Applications: The S IP - to -PST N calling works when b oth calling and ans wering parties are registered to SIP server with give n registered phone n umbers. The ADSL can be as in both Diagram s A a nd B. Both parties are reg istered to SIP server with either fixed real IP or private IP under NA T router . Configurati[...]

  • Page 71

    66 5.4. PSTN- to -SIP Ca lling Applications: The applications can be for ADSL connecti ons as in both Diagram s A an d B. Both parties are registered to SIP server with either fixed rea l IP or private IP under NA T router . Configurations: 1. Same as in Exam ple 2. 2. Select “ON” in the “ SIP set tings / STUN setting” page, if Outbound Pro[...]

  • Page 72

    67 5.5. 3-W ay Conference Calling Applications: The Call T ransfer and 3 - W ay Conference Ca ll applications are for c alls among Parties A, B, and C. T hree parties are registered to SIP server with either fixed real IP or private IP . There are two kinds of call transfer; Blind Transfer and Attendant T ransfer . Blind T ransfer: 1. Party A c all[...]

  • Page 73

    68 3-W ay Conferen ce Call: 1. Party A c alls Part y B . 2. W hile in conversation, Party B m ay press Hold ke y to hold the call, and should hear a dial t one. 3. Party B calls Part y C. 4. W hile in conversation, Party may press Conf . key to join i n Part y A for three-way conference . Call W aiting Application: W hen a new ca ll is coming whi l[...]

  • Page 74

    69 5.6. Direct IP to Direct IP Calling Applications: The applications ar e for ADSL connection with out NA T ro uter as in D iagram A. Both parties are with fixed r eal IP . T he Direct IP calli ng works when both calling and ans wering p arties are with k nown fixed I P . SIP server registrations are not required in th is application. Configuratio[...]

  • Page 75

    70 5.7. Fr eeWorld Dialup (FWD) Applications: This shows how to use FW D as an exam ple for free ITS P provider . T he applications are for bot h parties registered to FW D SIP server . Visit FW D web site and sign up for a n ew registered accou nt number . Follow the instruct ions for registration. After finished, you will rece ive a mail sent b y[...]

  • Page 76

    71 SIP Settings Y o u have to enter the Display Nam e, User Name, Regis tered Name, Registered Pass word, Domain Server , Prox y Server , Outbound Proxy . After finished the settin g, cli ck the Subm it b utton and the Save Change b utton. T he IP Phone will reboot a utomaticall y . After boot up, the SI P settin g page will show “ Registered ”[...]

  • Page 77

    72 Codec Setting Callings: 1. Pick up the phone, and the LCD w ill show F W D ph one number <636346>. 2. Press 12345 to call the party with re gistered FW D phone number 12345. In a moment, you should hear the ring back tone, and wait for the c alled party to answer .[...]

  • Page 78

    73 6. S pecification Model No. VOI-7000 VOI-7100 Connector 1 x WAN 1 x LAN 1 x Headset Plug 1 x WAN 1 x LAN 1 x Headset Plug 1 x RJ1 1 FX O LCD Size 16 x 2 Network Protocol SIP v1 (RFC2543), v2(RFC 3261) IP/TCP/UDP/RTP/RTCP IP/ICMP/ARP/RARP /SNTP TF TP Client/DHC P C lient/ PPPoE Client T elnet/HTTP Server DNS Client VLAN Setting DMZ Setting Virtua[...]

  • Page 79

    74 Codec G .71 1: 64k bit/s (PCM) G .723.1: 6. 3k / 5.3k bit/s G .726: 16k / 24k / 32k / 40k bit/s (ADPCM) G .729A: 8k bit/s (CS-AC ELP) G .729B: ad ds V AD & CNG to G .729 V oice V AD: V oice acti vity detection CNG: Comf ortable noise generator LEC: Line echo cance ller Packet Loss Com pensation Adaptive Jitter Buffer DTMF Functio n In -Band [...]

  • Page 80

    75 7. T rouble Shooting 7.1. Do not hear dial tone? W hen y ou pick up the phone and hear a bus y ton e, it indicates the W AN po rt is NOT connected. The LCD will show Etherne t Error! Mak e sure the ADSL Ethernet cable is con nected to the WAN port of IP Ph one and Power Reset again. 7.2. Can not access w eb p age? IE Web Browser is a useful tool[...]

  • Page 81

    76 Example: T o change I P PHONE IP address to the same subnet as PC and NA T router 1. Press the menu to en able DHCP Client mode. IP P HONE will reboot, and LED will start flashing t o get an I P addres s from NA T DHCP server . 2. Press Menu_4_5 to rea d IP Addres ses for WAN and LAN Ports, for example, 192.168.62 .51. 3. Enter from IE web brows[...]