Page 2 - GK
1 Contents 1 OVERVIEW ......................................................................................................... 4 1.1 I NTRODUCTION ............................................................................................. 4 1.2 K EY F EATURES ........................................
Page 5 - Cortelco Inc. and its suppliers believe that the; next generation of networks; Key Features
4 1 Overview 1.1 Introduction Cortelco Inc. and its suppliers believe that the next generation of networks 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 us...
Page 8 - Hardware Specification; Table 1. Hardware Specification of VOIP 2747; HARDWARE SPEC
7 1.3 Hardware Specification Table 1. Hardware Specification of VOIP 2747 HARDWARE SPEC Spec\Model VOIP 2747 PC Port 1xRJ45 10/100 Base-T Ethernet, line auto-sensing/switching. WAN Port 1xRJ45 10/100 Base-T Ethernet, line auto-sensing/switching. LCD display 2x16 characters Phone Case 36-button keypa...
Page 10 - Rear and Back side Panel of the VOIP 2747
9 3. 2. 1. 4. 2.1.2 Rear and Back side Panel of the VOIP 2747 The rear and back side panel illustration is shown in figures 2 and 3; main parts include: 1. RJ-45 Ethernet Port 2. RJ-45 Ethernet Port 3. Power Adaptor Jack 4. Handset Jack Figure 2. Rear Panel of the IP Phone Figure 3. Back Side Panel ...
Page 11 - Figure 3. Keypad illustration; Light; Menu and all status displays for user.; UP” Key; When the IP phone is in dial mode, the “
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 Waiting 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 scr...
Page 12 - This key allows retrieval of Voice Mail messages.
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 the cursor right a digit for each key press. 4. - IN VOL+ When the IP phone is in an idle sta...
Page 13 - key will also perform this function on many systems.
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 selection/setting on the LCD display, this key is used as an “OK” key to enter into a lower level of menu selection or to accept the edited it...
Page 15 - LCD Menu List
14 2.2 LCD Menu List The following is the roadmap for the menu on your IP phone: (SIP & H.323 share a similar menu, different parts are written separately.) View ¾ Network Value ¾ IP Address ¾ Network Mask ¾ Default Route ¾ DNS Server ¾ Ping ¾ Restart ¾ Image Version ¾ (Yes / No) PKT Trace C...
Page 19 - Installation Environment; Figure
18 2.3 Installation Environment Figure 4. Installation Environment Step 1 ： Connect your IP phone to its handset by plugging one end of the coil cord into the handset and the other end into the jack on the bottom of the IP phone. To connect to the internet, plug into the middle jack on the back of t...
Page 20 - Configuration from Keypads; TXT; ” key; Network Configuration; Configure
19 3 Configuration from Keypads The VOIP 2747 series IP Phone is designed to be installed easily and is very user-friendly so almost all the configurations can be done through the keypad and LCD screen display on the phone set in a few minutes. In order to make a VoIP call, please configure through ...
Page 22 - Registration to GK / Proxy Server
21 3.2 Registration to GK / Proxy Server After the network environment is set and connected to the Internet, you can register the IP Phone to your H.323 gatekeeper or SIP Proxy server. Please choose one of the following methods to register to a gatekeeper or proxy server. (Method depends on your IP ...
Page 23 - Registration to a proxy server (SIP version)
22 alive. Some gatekeepers require the devices to keep re-registering to it using the full information, in this case, please set the “FullRRQ” to “Yes”. Note: The VOIP 2747 can pass the NAT/router devices if the gatekeeper supports this function. The IP Phone will automatically detect if the gatekee...
Page 24 - another IP phone by calling the IP address directly.
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 can call to another IP phone by calling the IP address directly. E. (Yes / No) Out...
Page 25 - Registration / Startup message; LCD screen will display the following message:
24 3.3 Registration / Startup message 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 ga...
Page 26 - server, the LCD screen will display the following message:
25 incoming calls. If the “Proxy On” flag is “No”, then the IP Phone does not need to register. In this case, you can call the IP address of another IP Phone directly. (c). When the IP Phone is configured to use a gatekeeper or proxy server, but has not yet registered successfully or failed, the LCD...
Page 28 - Call Forward Configurations; ”Forward Mode” option.; Immediate Forward; When Immediate Forwarding is enabled, Busy Forward and No Answer
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 enabled to “Immediate Forward”, the LCD screen will display the following message : FWD(number) Date Time This means that the V...
Page 29 - Busy Forward; To enable Busy Forward mode, Press MENU/OK with Item 2 Busy selected.; No Answer Forward; By selecting “View”; Ping another device
28 3.4.2 Busy Forward To enable Busy Forward mode, Press MENU/OK with Item 2 Busy selected. The display will change to 2 (Yes) Busy and 3. Busy Number will appear. Press DOWN Then MENU/OK to enter the target number for Busy Forwarding. The display will show Busy Number =. Enter the number using the ...
Page 31 - Web Configuration; pages for more detailed configuration.
30 4 Web Configuration The phone provides a web interface for configuration. Please note that the web interface will only work with Internet Explorer. To use this configuration method, enter the IP address of the phone into the browser address bar. The following login window will appear: Username:...
Page 32 - Network Configuration on web; page to allow network configuration.; Basic; MAC Address
31 4.1 Network Configuration on web Clicking on the “Network” icon on the left banner will bring up following page to allow network configuration. 4.1.1 Basic Please see section 3.1 for an explanation of each field. 4.1.2 Others 4.1.2.1 MAC Address View the MAC Address of the IP Phone. The MAC Addre...
Page 33 - Time Zone; H.323 Configuration on web
32 4.1.2.3 Time Zone Used to specify the time zone. Clicking the “View” icon will display a list of all available time zones. For example, the value should be set to -6 for US Central Time. 4.2 H.323 Configuration on web Clicking on the “H.323” icon on the left banner will display the following page...
Page 34 - Advanced; The minimum value of the range of the transmitted RTP packet’s port.; SIP Configuration on web
33 4.2.3 Advanced 4.2.3.1 Min Media Port : The minimum value of the range of the transmitted RTP packet’s port. 4.2.3.2 Max Media Port : The maximum value of the range of the transmitted RTP packet’s port. 4.2.3.3 Codec : The type of the Codec of the transmitted RTP packets. 4.3 SIP Configuration on...
Page 36 - Ring Volume; Adjusts the volume of ringing.
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 Prefix These entries are used for VoIP systems which require special treatment of country codes, international codes, and area codes. Any numbers p...
Page 37 - Others
36 4.4.2.2 Handset Volume Adjusts the volume of incoming calls on the handset. 4.4.2.3 Handfree Volume Adjusts the volume of incoming calls on the handsfree. 4.4.2.4 CodecTxGain Adjust the output voice volume. 4.4.2.5 Ring Type Changes the ringing type(ring pattern) of an incoming call. 4.4.2.6 RTPL...
Page 38 - BG Noise Level; This value controls the sensitivity of the VAD detection.; System Configuration
37 4.4.3.2 BG Noise Level This value controls the sensitivity of the VAD detection. 4.5 System Configuration Clicking on the “System” icon will display the following page to allow configuration of system related parameters. This page allows software upgrades, username/password changing, and rebootin...
Page 39 - Incoming
38 5 Call Functions 5.1 Making Calls To make a call, pick up the handset or press the SPEAKER button, dial the called party’s number, and end with “#” key or RE/DIAL. 5.2 Receiving Calls To answer a call when the phone is ringing, pick up the handset or press the SPEAKER button. 5.3 Check call histo...
Page 41 - After selecting the Phone Book, press “DOWN” three times and then
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 seconds, the phone will go into the “Hold” state. By pressing HOLD again, the call can be continued 5.8 Phone Book and Speed Dial 5.8.1 Phone Book The Phone Book allows ...
Page 44 - SIP Interoperability List; Proxy Server
43 - SoftSwitch ZTE Telcom. Softswitch WalkerSun 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...
Page 45 - LIMITED WARRANTY
44 LIMITED WARRANTY If you purchased this product new in the U.S. or Puerto Rico, CORTELCO warrants it against defects in material and workmanship for a period of one (1) year from the date of original purchase. This warranty is in lieu of all other express warranties. During the warranty period, CO...
