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Multi-Tech Systems Mvp-2400/2410/3010, Mvp-210/410/810 Voice/ip Gateways S000249C User Guide
Multi-Tech Systems Mvp-2400/2410/3010, Mvp-210/410/810 Voice/ip Gateways S000249C User Guide
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MultiVOIP User Guide T1 PhoneBook Configuration 281 In order for any VOIP phone call to be made, there must be both an Inbound Phonebook entry and an Outbound Phonebook entry that describe the end-to-end connection. The phone station originating the call must be connected to the VOIP system. The Outbound Phonebook for that VOIP unit must have a destination pattern entry that includes the ‘called’ phone (that is, the phone completing the call). The Inbound Phonebook of the VOIP where the call is completed must have a destination pattern entry that includes the digit sequence dialed by the originating phone station. The PhoneBook Configuration procedure below is brief, but it is followed by an example case. For many people, the example case may be easier to grasp than the procedure steps. Configuration is not difficult, but all phone number sequences, destination patterns, and other information must be entered exactly; otherwise connections will not be made.
E1 Phonebook Configuration MultiVOIP User Guide 282 Phonebook configuration screens can be accessed using icons or the sidebar menu. Phonebook Icons Description Phonebook Configuration Inbound Phonebook Entries List Add Inbound Phonebook Entry Edit selected Inbound Phonebook Entry Outbound Phonebook Entries List Add Outbound Phonebook Entry Edit selected Outbound Phonebook Entry
MultiVOIP User Guide T1 PhoneBook Configuration 283 Phonebook Sidebar Menu
E1 Phonebook Configuration MultiVOIP User Guide 284 Phonebook Configuration Procedure 1. Go to the PhoneBook Configuration screen (using either the sidebar menu, drop-down menu, or icon). In consultation with your VOIP administrator, enter the Gateway Name and values for Q.931 parameters and Gatekeeper RAS parameters. Determine whether your voip system will operate with a proxy server. Determine which H.323 version 4 functions you will implement. (They are not always applicable. See field description for each parameter.)
MultiVOIP User Guide T1 PhoneBook Configuration 285 The table below describes all fields in the PhoneBook Configuration screen. PhoneBook Configuration Parameter Definitions Field Name Values Description Gateway NameY/N This field allows you to specify a name for this MultiVOIP. When placing a call, this name is sent to the remote MVP3000 for display in Call Progress listings, Logs, etc. Q.931 Parameters Use Fast Start Y/N Enables the H.323 Fast Start procedure. May need to be enabled/disabled for compatibility with third-party VOIP gateways. Call Signalling Portport numberDefault: 1720 (H.323) GateKeeper RAS Parameters IP AddressIP address of the GateKeeper. Port Number Well-known port number for GateKeepers. Must match port number of GateKeeper, 1719. Gateway PrefixThis number becomes registered with the GateKeeper. Call requests sent to the gatekeeper and preceded by this prefix will be routed to the VOIP gateway. Gatekeeper Namealpha- numeric stringOptional. The name of the GateKeeper with which this MultiVOIP is trying to register. H.323 ID The H.323 ID is used to register this particular MultiVOIP with the GateKeeper. H.323 ID is an alias entry sent to the GateKeeper, made of alpha-numeric characters. For NetMeeting endpoints, numbers are preferred over letters. The H.323 ID identifies the IP calling sequence that the GateKeeper must ‘dial’ to contact the remote VOIP.
E1 Phonebook Configuration MultiVOIP User Guide 286 PhoneBook Configuration Parameter Definitions (cont’d) Field Name Values Description Proxy Server Parameters Enable Proxy Y/N Proxy Server IP Addressn.n.n.n where n=0-255Network address of the proxy server that the voip is using. Port Number Logical port number for proxy communications. H.323 Version 4 Parameters Q.931 Multiplexing (Mux)Y/N Signalling for multiple phone calls can be carried on a single port rather than opening a separate signalling port for each call. This conserves bandwidth resources. H.245 Tunneling (Tun)Y/N H.245 messages are encapsulated within the Q.931 call signalling channel. Among other things, the H.245 messages let the two endpoints tell each other what their technical capabilities are and determine who, during the call, will be the client and who the server. Tunneling is the process of transmitting these H.245 messages through the Q.931 channel. The same TCP/IP socket (or logical port) already being used for the Call Signalling Channel is then also used by the H.245 Control Channel. This encapsulation reduces the number of logical ports (sockets) needed and reduces call setup time.
MultiVOIP User Guide T1 PhoneBook Configuration 287 PhoneBook Configuration Parameter Definitions (cont’d) Field Name Values Description H.323 Version 4 Parameters Parallel H.245 (FS + Tun)Y/NFS (Fast Start or Fast Connect) is a Q.931 feature of H.323v2 to hasten call setup as well as ‘pre-opening’ the media channel before the CONNECT message is sent. This pre- opening is a requirement for certain billing activities. Under Parallel H.245 FS + Tun, this Fast Connect feature can operate simultaneously with H.245 Tunneling (see description above). Annex –E (AE) Y/NMultiplexed UDP call signalling transport. Annex E is helpful for high-volume voip system endpoints. Gateways with lesser volume can afford to use TCP to establish calls. However, for larger volume endpoints, the call setup times and system resource usage under TCP can become problematic. Annex E allows endpoints to perform call signalling functions under the UDP protocol, which involves substantially streamlined overhead. (This feature should not be used on the public Internet because of potential problems with security and bandwidth usage.)
E1 Phonebook Configuration MultiVOIP User Guide 288 2. Select PhoneBook Modify and then select Outbound Phone Book/List Entries. Click Add.
MultiVOIP User Guide T1 PhoneBook Configuration 289 3. The Add/Edit Outbound PhoneBook screen appears. Enter Outbound PhoneBook data for your MVP3010. Note that the Advanced button gives access to the Alternate IP Routing feature, if needed. Alternate IP Routing can be implemented in a secondary screen (as described after the primary screen field definitions below).
E1 Phonebook Configuration MultiVOIP User Guide 290 The fields of the Add/Edit Outbound Phone Book screen are described in the table below. Add/Edit Outbound Phone Book: Field Definitions Field Name Values Description Destination Patternprefixes, area codes, exchanges, line numbers, extensionsDefines the beginning of dialing sequences for calls that will be connected to another VOIP in the system. Numbers beginning with these sequences are diverted from the PTSN and carried on Internet or other IP network. Total Digits as needed number of digits the phone user must dial to reach specified destination Remove Prefix dialed digits portion of dialed number to be removed before completing call to destination Add Prefix dialed digits digits to be added before completing call to destination IP Address n.n.n.n for = 0-255the IP address to which the call will be directed if it begins with the destination pattern given Description alpha- numericDescribes the facility or geographical location at which the call will be completed. Protocol Type SIP or H.323Indicates protocol to be used in outbound transmission.