TANDBERG Codec C90 and Profiles using C90 | Administrator guide |
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The H323 settings, cont...
H323 Profile [1..
1] CallSetup Mode
The H.323 Call Setup Mode defines whether to use a Gatekeeper or Direct calling when establishing H323 calls.
NOTE! Direct H.323 calls can be made even though the H.323 Call Setup Mode is set to Gatekeeper.
Valuespace: <Direct/Gatekeeper>
Direct: An
Gatekeeper: The system will use a Gatekeeper to make a H.323 call. When selecting this option the H323 Profile Gatekeeper Address and H323 Profile Gatekeeper Discovery settings must also be configured.
Example: H323 Profile 1 CallSetup Mode: Gatekeeper
H323 Profile [1..
1] Gatekeeper Address
Specifies the IP address of the Gatekeeper. Requires the H.323 Call Setup Mode to be set to Gatekeeper and the Gatekeeper Discovery to be set to Manual.
Valuespace: <S: 0, 255>
Format: String with a maximum of 255 characters.
Example: H323 Profile 1 Gatekeeper Address: “10.47.1.58”
H323 Profile [1..
1] Gatekeeper Discovery
Determines how the system shall register to a H.323 Gatekeeper.
Valuespace: <Manual/Auto>
Manual: The system will use a specific Gatekeeper identified by the Gatekeeper’s
Auto: The system will automatically try to register to any available Gatekeeper. If a Gatekeeper responds to the request sent from the codec within 30 seconds this specific Gatekeeper will be used. This requires that the Gatekeeper is in auto discovery mode as well. If no Gatekeeper responds, the system will not use a Gatekeeper for making H.323 calls and hence an
Example: H323 Profile 1 Gatekeeper Discovery: Manual
The H323 settings, cont...
H323 Profile [1..
1] H323Alias ID
Lets you specify the H.323 Alias ID which is used to address the system on a H.323 Gatekeeper and will be displayed in the call lists. Example: “firstname.surname@company.com”, “My H.323 Alias ID”
Valuespace: <S: 0, 49>
Format: String with a maximum of 49 characters
Example: H323 Profile 1 H323Alias ID: “firstname.surname@company.com”
H323 Profile [1..
1] PortAllocation
The H.323 Port Allocation setting affects the H.245 port numbers used for H.323 call signalling.
Valuespace: <Dynamic/Static>
Dynamic: The system will allocate which ports to use when opening a TCP connection. The reason for doing this is to avoid using the same ports for subsequent calls, as some firewalls consider this as a sign of attack. When Dynamic is selected, the H.323 ports used are from 11000 to 20999. Once 20999 is reached they restart again at 11000. For RTP and RTCP media data, the system is using UDP ports in the range 2326 to 2487. Each media channel is using two adjacent ports, ie 2330 and 2331 for RTP and RTCP respectively. The ports are automatically selected by the system within the given range. Firewall administrators should not try to deduce which ports are used when, as the allocation schema within the mentioned range may change without any further notice.
Static: When set to Static the ports are given within a static predefined range
Example: H323 Profile 1 PortAllocation: Dynamic
H323 Profile [1..
1] H323Alias E164
The H.323 Alias E.164 defines the address of the system, according to the numbering plan implemented in the H.323 Gatekeeper. The E.164 alias is equivalent to a telephone number, sometimes combined with access codes.
Valuespace: <S: 0, 30>
Format: Compact string with a maximum of 30 characters. Valid characters are
Example: H323 Profile 1 H323Alias E164: “90550092”
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