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Cortelco 2747 - page 1
V OIP 2747 IP Phone User Manual 274701-VIP-P AK Cortelco Release 5.1 ...
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Cortelco 2747 - page 2
1 Contents 1 OVER VIEW ......................................................................................................... 4 1.1 I NTR ODUCTION ............................................................................................. 4 1.2 K EY F EA T URES ............................................................ ...................... ...
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Cortelco 2747 - page 3
2 4.1.2 Others ................................................................................................... 31 4.1.2.1 MAC Address................................................................................... 31 4.1.2.2 NTP Server ...................................................... ................................. 31 4.1.2.3 T ime Z ...
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Cortelco 2747 - page 4
3 5.3 C HEC K CALL HISTOR Y ( IN COMING / OUTGOING / MISSED CALLS ) ................. 38 5.4 R EDIAL ....................................................................................................... 39 5.5 C ALL F OR W ARD .......................................................................................... 39 5.6 C ALL T RANSFER ....... ...
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Cortelco 2747 - page 5
4 1 Overview 1.1 Intr oduction Cortelco Inc. and its suppliers believe that the next generation of net works based on VoIP technologies will significantly change the way people communicate with each other. To get the greatest benefit from these technologies, the use of VoIP should be simple to most users. Our missi on is to make your VoIP experienc ...
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Cortelco 2747 - page 6
5 o Gets IP from DHCP server using DHCP protocol or through ADSL modem using PPPoE prot ocol, auto matically rec onnects when PPPoE loses connection. • Pass through NAT devices: o Can make outgoing and inco ming calls under any NAT device (ev en under two layer NAT devices) when working with the specific gatekeeper/p roxy device. • Remote softw ...
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Cortelco 2747 - page 7
6 o User can easily observe if the VOIP 2747 is working nor mally and monitor the system status (network status, registering status) from the LCD panel display. o A “PKT Trace” function is suppo rted to display the packets received on the LCD panel and helps network administrator find the problem on line. • Call with or without gatekeeper / p ...
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Cortelco 2747 - page 8
7 1.3 Hardwar e Specifica tion T able 1. Hardware Specification of VOIP 2747 HARDW ARE S PE C SpecMo del VOIP 2747 PC Port 1xRJ45 10/100 Base-T Ethernet, line aut o-sensing/switching. WAN P o r t 1xRJ45 1 0/100 Base-T Ethernet, line auto-sensing/switching. LCD displa y 2x16 characters Phone Case 36-button keypad Input: 100-240V AC Universal Switch ...
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Cortelco 2747 - page 9
8 7. 6. 4. 5. 1. 2. 3. 2 Basic Installation 2.1 Appearance Intr oduction 2.1.1 Key parts of the V OIP 2747 The key parts of the VOIP 2747 series IP Phone are shown in figure 1, and include the following: 1. 2x16 LCD Display 5. H andset 2 . K e y p a d 6 . E t h e r n e t C a b l e 3. Usage Indicat or 7. P ower Adaptor 4. User Manual Figure 1. Key p ...
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Cortelco 2747 - page 10
9 3. 2. 1. 4. 2.1.2 Rear and Back side Panel of the V OIP 2747 The rear and back side panel illustration is shown in figures 2 and 3; main par ts i nclu de: 1. RJ-45 Ethernet Port 2. RJ-45 Ethernet Port 3. Power Ada ptor Jack 4. Handset Jack Figure 2. Rear Panel of the IP Phone Figure 3. Back Side Panel of the IP Phone ...
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Cortelco 2747 - page 11
10 2.1.3 Keypad Definition Figure 3. Keypad illustration 1. Light The red light blinks when there is an incoming call and provides Message W aiting indication. 2. LCD Display Menu and all status displays for user . 3. “ Í UP” Key When the IP phone is in the menu selection mode, this key is used to scroll up the menu items. When the IP phone is ...
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Cortelco 2747 - page 12
11 “ Æ DOWN” Key When the IP phone is in the menu selection mode, this key is used to scroll down the menu items. When the IP phone is editing menu item contents, this key is used as “ right shift” to shift th e cursor righ t a digit for each k ey press. 4. - IN V OL+ When the IP phone is in an id le state or user is talking on handset or ...
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Cortelco 2747 - page 13
12 10. Menu / OK When the IP phone is in idle state, this key is used as a “Menu” key to bring up the menu selection on the LCD display . When inside the menu s election/setting on the L CD display , this key is used as an “OK” key to enter into a lower level of menu selection or to accept the edited item’ s contents. When the IP phone is ...
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Cortelco 2747 - page 14
13 15. Speed Dial M1 – M10 Users are able to st ore 10 specific phone numbers in the slots of M1 - M10. Users are able to make a speed di al call to the specific p arty by pressing the speed dial key from M1 – M10. 16. Phone Book Users are able to store up to 50 phone nu mbe rs by pressing the “Phonebook” button. For each item of the 50 pho ...
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Cortelco 2747 - page 15
14 2.2 LCD Menu Li st The following is the roadmap for the menu on your IP phone: (SIP & H.323 share a similar m enu, different parts are written separately .) Vi e w ¾ Network V alue ¾ IP Addr ess ¾ Network Mask ¾ Default Route ¾ DNS Server ¾ Ping ¾ Restart ¾ Image V ersion ¾ (Y es / No) PKT T race Configure (Password: 135) ¾ ...
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Cortelco 2747 - page 16
15 ¾ SIP ¾ Disp Name ¾ Login ID ¾ Number ¾ Password ¾ (Y es / No) Proxy On ¾ If Y es: ¾ Proxy Address ¾ Proxy Port ¾ (Y es / No) Outbound Proxy ¾ If Y es: ¾ Outbound Proxy IP ¾ Outbound Proxy Port ¾ (Y es / No) R TPLowBW ¾ Forward Mode ¾ (Y es / No) Immediate ¾ If Y es: ¾ Immediate Number ¾ (Y es / No) Busy ¾ If Y es: ¾ Busy Nu ...
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Cortelco 2747 - page 17
16 ¾ Dump ! ¾ Network ¾ MAC Address ¾ NTP Serve r ¾ Restart Count ¾ RT P P r o c e s s ¾ (Y es / No) Bypass Server ¾ (Y es / No) Jitter Buf fer ¾ (Y es / No) Auto Upgrade ¾ Phone Advanced ¾ Codec ¾ G .711u ¾ G .711a ¾ G. 7 2 9 ¾ G. 7 2 3 ¾ Vo i c e ¾ (Y es / No) V AD ¾ BG Noise Level ¾ Vo l u m e ¾ Ring V o lume ¾ Handset V olu ...
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Cortelco 2747 - page 18
17 ¾ User Setting ¾ Pla tform ¾ Billing Server ¾ Login ¾ User Name ¾ Password ¾ Confirm Password ¾ Stat istics ¾ User Statistics ¾ User S ta tistic ¾ Phone Statistic ¾ Phone Sta tistics ¾ Call Missed ¾ Call Received ¾ Call Dialed ¾ Additional ¾ International ¾ My Country Code ¾ Area Prefix Code ...
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Cortelco 2747 - page 19
18 2.3 Installation Envir onment Figure 4. Installation Environment St e p 1 ： Connect your IP phone to it s handset by plugging one end of the coil cord into the handset and the other end into the jack on the bo ttom of the IP phone. T o connect to the internet, plug into the middle jack on the b ack of the IP phone. This jack is marked W AN. S ...
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Cortelco 2747 - page 20
19 3 Configuration fr om Keypads The VOIP 2747 series IP Phone is designed to be installed easily and is very user-friendly so alm ost all the configura tions can be done through the keypad and LCD screen display on the phone set in a few minutes. In order to make a V oIP call, please configure through the k eypad as described in the following few ...
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Cortelco 2747 - page 21
20 3.1.2 PPPoE Metho d Many of the broadband network connections now pr ovided are ADSL connections. Under this environment, the IP Phone can directl y connect to the ADSL modem by setting the PPPoE account (user name and password) provided by the ADSL service provider . Configure ► Password ： 135 ► Ne twork ► (Y es/No) PPPoE Please press ? ...
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Cortelco 2747 - page 22
21 3.2 Registration to GK / Pr oxy Server After the network environ ment is set and connected to th e Internet, you can register the IP Phone to your H.323 ga tekeeper or SIP Proxy server . Please choose one of the following methods to register to a gateke eper or proxy server . (Method depends on your IP Phone model) 3.2.1 Registration to a gateke ...
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Cortelco 2747 - page 23
22 alive. Some gateke epers require the devi ces to keep re-regist ering to it using the full information, in this case, please set the “FullRRQ” to “Y es ”. Note : The V OIP 2747 can pass the NA T/r outer devices if the ga tekeeper supports this function. The IP Phone will automatically detect if the gatekeeper supports this and do the pr ...
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Cortelco 2747 - page 24
23 proxy server . Another is the proxy server port, to set the port of the proxy server; its value is usually 5060 unless specified by the service vendor . If the IP Phone does not register to any proxy server , it still ca n call to another IP phone by calling the IP address directly . E. (Y es / No) Outbound Proxy – please set this item to Y es ...
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Cortelco 2747 - page 25
24 3.3 Registration / S tartup mess age When the network and registration configurations are set, please restart the IP Phone. The LCD display on the IP phone will show one of the following messages: (depends on whether the registration is ok or not.) (a). When the IP Phone is registered to a H.323 gatekeeper successfully , the LCD screen will disp ...
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Cortelco 2747 - page 26
25 incoming calls. If th e “Proxy On” flag is “No”, then th e IP Phone does not need to register . In this case, you can call the IP address of another IP Phone directly . (c). Wh en the IP Phone is configured to use a gatekeeper or proxy server , bu t has not yet registered successfully or failed, the LCD screen will display the following ...
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Cortelco 2747 - page 27
26 (e). When the IP Phone fails in obtaining an IP address from the DHCP server , the LCD screen will display the follow ing message : DHCPFail (number) D a t e T i m e This means that the IP phone is configured to use DHCP to get an IP address, but the DHCP procedure failed (cannot find a D HCP server or the DHCP server rejected the IP assignment) ...
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Cortelco 2747 - page 28
27 username/password is not correct. The IP phone can not make any calls, but the menu selection and the on-hook / off-hook function will work OK. (i). When the IP Phone is en abled to “Imme diate Forward ”, the LCD screen will display the following message : FWD(num ber) D a t e T i m e This means that the VOIP 2747 is working OK and ready for ...
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Cortelco 2747 - page 29
28 3.4.2 Busy Forward T o enable Busy Forward mode, Press MENU/OK with Ite m 2 Busy selected. The display will change to 2 (Y es) Busy and 3. Busy Nu mber will appear . Press DOWN Then MENU/OK to ent er the tar get number for Busy Forwarding. The display will show Busy Number =. Enter the nu mber using the keypad and press MENU/OK. Then press C ANC ...
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Cortelco 2747 - page 30
29 state of a network connection. By selecting “V iew” Æ ”Ping” and keying in the IP address or domain name of anoth er device, the phon e can check the s tatus of its connection to that device. This can al so be used to check the status of the Internet connection by pinging another device that is alr eady on the public Internet. 3.5.3 Res ...
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Cortelco 2747 - page 31
30 4 W eb Configuration The phone provides a web interface for configuration. P lease note that the web interface will only work with Internet Explorer . T o use this configuration method, enter the IP address of the phone into the browser address bar . The following login window will appear: User name: ro o t Password: **** ent er The defa ...
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Cortelco 2747 - page 32
31 4.1 Network Configuration on web Clicking on the “Network” icon on th e left banner will bring up following page to allow network configuration. 4.1.1 Basic Please see section 3.1 f or an explanation o f each field. 4.1.2 Others 4.1.2.1 MAC Address V iew the M AC Address of the IP Phone. The MAC Addres s cannot be changed at this screen. 4.1 ...
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Cortelco 2747 - page 33
32 4.1.2.3 Ti m e Zon e Used to specify the time zone. Clicking the “V iew” icon will display a list of al l available ti me zones. For example, the val ue should be set to -6 for US Central T ime. 4.2 H.323 Configuration on web Clicking on the “H.323” icon on the left banner will display the following page to allow configuration of H.323 r ...
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Cortelco 2747 - page 34
33 4.2.3 Advanced 4.2.3.1 Min M edia Port : The minimum value of the range of the trans mitted R TP packet’ s port. 4.2.3.2 Max Med ia Port : The maximum valu e of the range of the trans mitted R TP packet’ s port. 4.2.3.3 Codec : The type of the Codec of the transmitted R TP packets. 4.3 SIP Configuration on web Clicking on the “SIP” icon ...
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Cortelco 2747 - page 35
34 4.3.1 SIP Parameters Please see section 3.2 f or an explanation o f each field. 4.3.2 Forward Mode Please see section 3.4 f or an explanation o f each field. 4.3.3 Advanced 4.3.3.1 Reg From Modifies th e “From:” field in the SIP / SDP messag es. This field should be left empty in most cases. 4.3.3.2 Reg T o Modifies th e “T o:” fiel d in ...
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Cortelco 2747 - page 36
35 4.4 Phone Configuration on web Clicking on the “Phone” icon will display the following page to allow configuration of phone related parameters. 4.4.1 Pr efix These entries are used for V oIP systems which require special tre atment of country codes, international codes, and area codes. Any numbers placed in the “My Country Code” and “A ...
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Cortelco 2747 - page 37
36 4.4.2.2 Handset V olume Adjusts the volu me of inco ming calls on the hand set. 4.4.2.3 Handfre e V olume Adjusts the volu me of inco ming calls on the handsf ree. 4.4.2.4 CodecTxGain Adjust the output voice volume. 4.4.2.5 Ring T ype Changes the ringing type(ring pattern) of an incoming call. 4.4.2.6 RT P L o wB W Checking this box will cause t ...
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Cortelco 2747 - page 38
37 4.4.3.2 BG Noise Level This value controls the sensitivity of the V AD detection. 4.5 System Configuration Clicking on the “Sy stem” icon will display the following page to allow configuration of system related parameters. This page allows software upgrades, us ername/password changing, and rebooting (restarting). ...
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Cortelco 2747 - page 39
38 5 Call Functions 5.1 Making Calls T o make a call, pick up the handset or pr ess the SPEAKER button, dia l the called party’ s number , and end with “#” key or RE/DIAL. 5.2 Receiving Calls T o answer a call when the phone is ringing, pick up the handset or pr ess the SPEAKER button. 5.3 Check call history (incoming / outgoing / missed call ...
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Cortelco 2747 - page 40
39 5.4 Redial T o call th e last dialed nu mber (redial), press the “RE/DIAL” key immediately after going off-hook. 5.5 Call Forward Call forwarding functions can be set via the key pad or by web configuration. Please refer to section 3.5 for more details. 5.6 Call T ran sfer This phone supports three types of call transfer . They are ringing t ...
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Cortelco 2747 - page 41
40 5.7 Call Hold As described above, the HOLD button allows attended transfer . If the number of the third party is not dialed in 8 se conds, the phone will go into the “Hold” state. By pressing HOLD aga in, the call c an be continued 5.8 Phone Book and Speed Dial 5.8.1 Phone Book The Phone Book allows 50 names and numbers to be stored. T o acc ...
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Cortelco 2747 - page 42
41 “MENU/OK” to select Delete All. The display will show “Are Y ou Sure?”. Press “MENU/OK” to delete all Phone Book entries. P ress “CANCEL” twice to return to the idle state. 5.8.2 Speed Dial T o access Speed Dial, press the “PHO NE BOOK” button, the display shows 1.Phone Book 2.Speed Dial. P ress “DOWN” and then press “M ...
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Cortelco 2747 - page 43
42 IBM Corporation, Java-based Voice Server (IMTC 2002) First Virtual Communications, Click To Meet Web Endpoint (IMTC 20 02) Innovaphone, IP200 (IMTC 2002) UniData iW200 Cisco7905 IP Phone - GateKeeper Cisco AS5350 Gatekeeper function Citron Network Inc. Gatekeeper Radvision ProLab GateKeeper Simulator, Version 1.0, October 2001 OpenH323 GateKeepe ...
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Cortelco 2747 - page 44
43 - SoftSwitch ZTE T elcom. Softswitch W alkerSun softswitch 6.2 SIP Interoperability List The following devices have been tested to be interoperable with the 2747 series IP Phone. Client/Terminal -SCS-Client V1.00 -SIPS 2.0.43.11 -SJ-Phone 1.10.187c -X-Lite – FWD V2.0 -Softphone – Simems V0.90Bata27 -Estara V3.0.0.15 -Cisco ATA-186 -Cisco 790 ...
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Cortelco 2747 - page 45
44 LIMITED W A RRANTY If you purchased this pr oduct new in the U.S. o r Puerto Rico, CORT ELCO warrants it against defects in mat erial and workmanship for a p eriod of one (1) year from the d ate of original purchase. This warranty is in li eu of all other express w arrant ies. Durin g the w arranty per iod, CORTE LCO agre es t o repair or, at it ...
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