AltiGen comm AltiGen IP Phone IP720 User Manual
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IP 720 User Manual 33 Dialing an IP Number Directly from the IP 720 To dial an IP number directly from the IP 720 phone set, enter the IP address, using the * key to enter periods and followed by the # key. Note: This works only when the IP 720 is operating in Basic mode. If the IP 720 is configured for a public IP address, you can call other public IP address devices. If the IP 720 is configured for a private IP address, you can call other private IP address devices that you can “see” or that are on your subnet.
IP 720 User Manual 35 Appendix A Specifications Network Protocols•SIP, RTP, RTCP, TFTP, TCP, UDP, DHCP, DNS, ARP, ICMP, Telnet Call Control Protocols•SIP Audio Standards •Codec: ITU G.711 (PCM), two low bit rate (G.723.1 and G.729A / G.729AB) •This phone does not support G.722 or G.711 A-Law. •Acoustic Echo cancellation supporting high-quality speakerphone •Full-duplex Keypad Features & Handset •12 standard dialing keys: 0-9, *, # •16 feature keys: Redial, Hang-up/Release, Hold, Intercom, Speaker, Mute, Headset, Flash, Speed dial, Transfer, Conference, Speaker, Voicemail, Voicemail greeting selection, Activity, Volume control. •15 Function keys: can be set to Busy Lamp Field, AltiServ feature code, speed dial, line park, call recording, workgroup status. •Adjustable Speaker/Ring/Handset/Headset volume control LCD •4 x 20 Character LCD Display •Provide features such as time, calling party name, calling party number, digits dialed, extension number, number of new voice mails, DND/FWD, missed calls, and system information. LED•Hold, Mute, Speaker, Conference, Headset, Intercom. •Message waiting indicator LAN •2 Standard 10/100/1000 Base-T RJ-45 Ports: One for network to phone connection, and one switch port for connection from phone to PC
Troubleshooting 36 IP 720 User Manual Troubleshooting The following table provides help for the most common problems an end user may encounter. For IP 720 phone questions or problems not listed here, contact AltiGen Technical Support. Memory •Flash ROM: 4M, stores boot ROM, software imaging and configuration data, DSP images. •DRAM: 8M, stores runtime program and data. Headset •Headset RJ-9 port Important: Contact AltiGen for the most current list of certified headsets. The pin outlet for headset support is: Pin 1 (Tx-), Pin 2 (Rx1), Pin 3 (Rx2), Pin 4 (Tx+) Note:If using Plantronics H91N or H101N headsets, a separate Plantronics cable should be used and must be ordered separately (part # 27190-01) in order to plug in these headsets to the headset port. Dimensions•(HxWxD) 8.74 x 9.72 x 1.89 in (222 x 247 x 48 mm) Power •PoE •External power (You need an AC/DC adapter - input: 100-240V, output: DC 5V, 1.5A. May be purchased from AltiGen, P/N 3015-0003.) Problem/SymptomSolution AW is unreachable •Check to make sure the MAXCS IP address (AW address) in the IP phone is set up correctly. •Check the IP 720 phone’s IP address, network mask and default gateway. •Check to make sure you can ping the IP 720 phone’s address from MAXCS. •Check to make sure the IP Phone Services is started in MAXCS. •Check MAXCS IP address in MaxAdministrator’s IP Phone Configuration menu.
Appendix A IP 720 User Manual 37 Image update failed. If setting Boot Download to Yes, after the phone reboots and if the setting still says Yes, the boot failed.•Check the IP 720 phone’s IP address, network, default gateway settings. •Check the network connection. •Check the TFTP server IP address and make sure the TFTP server is running. •PING from the TFTP server to the IP 720. IP phone registered then goes back to Basic mode •Check network connectivity by pinging from AltiServ to the IP phone. •Check if IP Phone Service is running. •Check if there is a duplicate IP address by unplugging the Ethernet cable on the IP phone, then pinging the IP 720 phone’s IP address. •Check the extension’s IP address in MaxAdministrator to find out if another user is trying to log in using the same extension number. •Use #27 then Enter to log in again and see if the problem persists. No IP Address •Check if DHCP is enabled. If YES, check network connection. If NO, verify your DHCP server is correctly configured. •Check if IP 720 phone’s IP address is configured. One way connection •Make sure firewall setting has all the TCP/UDP ports required by MAXCS opened. Phone does not show anything on LCD display •Check the power source to be sure the IP 720 phone is receiving power. Poor voice quality •Make sure a switch is used, rather than a hub, in the corporate LAN. •G.711 provides better voice quality. •If VoIP is set up over WAN, set priority queuing on the WAN router. •Make sure WAN QoS is okay by pinging a few hundred packets from remote site and observe packet loss and network latency. •Adjust jitter buffer to accommodate network latency. Problem/SymptomSolution
LCD Messages 38 IP 720 User Manual LCD Messages Local Menu Configuration Messages The following messages may be displayed in the LCD when accessing the IP 720 phone’s menu: Register failed •Check to make sure the extension number and extension password are set up properly and that the IP extension is enabled. •Check to make sure the IP Phone Service is started in MAXCS. •If IP phone is associated with a physical phone (with the same extension number), use #27 to activate the IP phone to normal operating mode. MessageExplanation conf timeout!After 2 minutes inside the configuration menu, if no action is taken, the LCD will show this message and then quit the menu. conf exception!During configuration, an unknown exception occurred. Saved!The changed configuration was saved into memory. Write Fail!Error occurred when saving the changed options into flash ROM. Wrong Ext Number!The inputted extension number is invalid. Wrong input!User inputted an invalid value or string during configuration. wrong password!User is trying to configure an invalid password from the phone menu. Problem/SymptomSolution
Appendix A IP 720 User Manual 39 IP Phone Running Messages The following messages may be displayed in the LCD when running the IP 720: MessageDefinition AW UNREACHABLE!Failed to connect to the AltiGen phone server. The user is trying to register the IP phone with an invalid IP phone’s IP address or the AltiGen Phone Servers IP address is invalid. Or, the network connection is lost in offhook or connect state. Refer to “AW is unreachable” section of “Troubleshooting” on page 36. Basic-Idle!IP phone is operating in Basic mode. Press #27 again to reactivate. Check IP Phone Service Verify extension is configured for dynamic. DHCP FAIL!Although DHCP was enabled, the IP 720 was not able to receive the IP address from the DHCP server. DUPLICATE IP!Another device configured with the same IP address as the IP phone is detected. The IP phone cannot function correctly until this is corrected. INVALID IP! INPUT AGAIN...The inputted IP address is invalid. INVALID VAL!During register of IP extension, an invalid response (return value) returned from phone server. NO IP ADDR!IP 720 cannot attach an IP address due to network failure. No Network!Phone has lost Ethernet connection. REGISTER FAIL!Cannot register to the AltiGen phone server. REGISTER OKAY!IP extension registered successfully.
LCD Messages 40 IP 720 User Manual IP Phone Boot Messages The following messages may be displayed in the LCD when booting the IP 720: REGISTERING!User entered #27 to manually register the IP extension. REMOVE OLD EXT.When #27 is entered, the extension/password configuration in the IP phone is removed. WRONG PASSWORD!Registration failed because of invalid extension password. MessageDefinition Boot DoneThe phone successfully booted. CHECK FWChecking firmware. CHECK MEMORYChecking memory. INIT NETWORKInitializing network. LOAD FAILEDFailure to load the image into memory. LOADING FW...Loading firmware. LOADING NOWLoading firmware. NETWORK FAILED.Network initialization failed. TFTP FAIL!Failure downloading TFTP. UPDATE FAILED.Firmware update failed. UPDATE OKFirmware update successful. update APP(S1)Appears when Boot Download is set to TRUE. The IP 720 will show this message when it is rebooted. MessageDefinition
IP 720 User Manual 41 Glossary A ASCII - American Standard Code for Information Interchange. B Boot - to cause the computer to start executing instructions. BPS - Bits Per Second. The number of bits transmitted per second. C configure - to determine and assign the equipment cabinet or chassis contents and location of each card, as well as software parameters. D DHCP (Dynamic Host Configuration Protocol) - a protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol (IP) addresses in an organization’s network. DNS - Domain name system used to address translation to convert H.323 IDs, URLs, or e-mail IDs to IP addresses. DNS is also used to assist in locating remote gatekeepers and to reverse-map raw IP addresses to host names of administrative domains. Do Not Disturb (DND) - when this feature is selected, all incoming calls to the user’s extension are denied. If the station has system forwarding instructions, the calls will be automatically redirected to another extension, Attendant, or operator. DTMF - Dual Tone Multi Frequency are the low and high frequency tones that comprise touch tone signals. DSP - Digital Signal Processor. A microprocessor with an architecture that is particularly optimized to perform mathematical algorithms that manipulate digital signals. Dynamic IP Address - An IP address that is automatically assigned to a client station in a TCP/IP network, typically by a DHCP server. Network devices that serve multiple uses, such as server and printers, are usually assigned static IP addresses. Dual Tone Multi Frequency - see DTMF.
42 IP 720 User Manual E extension number - an arbitrary number of two to five digits that matches a station to a particular user. F Firewall - a set of related programs, located at a network gateway server, that protects the resources of a network from users of other networks. FLASH - a sudden brief signal. Activated by pressing the Flash button, or by a quick press and release of the receiver button (switch hook). FXS - Foreign Exchange Subscriber. An analog interface for direct connection of a telephone set to a digital multiplexer. G GMT - Greenwich Mean Time. Mean solar time of the meridian at Greenwich, England, used as the basis for standard time throughout the world. H H.323 - An International Telecommunications Union (ITU-T) standard that describes packet-based video, audio and data conferencing. http or HTTP - Hypertext Transfer Protocol. The Internet protocol used to manage communications between Web clients (browsers) and servers. I IMAP4 - Internet Message Access Protocol - Version 4. IP Address - a 32-binary digit number that identifies each sender or receiver of information that is sent in packets across the Internet. ISP - Internet Service Provider. J jack - the mate for a plug. Used to connect two pieces of equipment together. K keyboard - system interface for communication. A group of numeric keys, alphabetic keys, or function keys used for entering information into a terminal and into the system.