Chapter 4 – Configuring Your MultiVOIP
Field Name | Values |
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Mode | Direct, Client, |
| or Registrar |
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General Options | |
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Port | port |
Re‐transmission | 50 ‐ 5000ms |
|
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Max Re‐ | 0 ‐ 20 |
transmission |
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Client Options | |
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Primary Registrar | ‐‐ |
|
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Alternate Registrar | ‐‐ |
1 and 2 |
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Registrar IP Address | n.n.n.n |
|
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Registrar Port | 10000 or |
| other |
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Polling Interval | integer |
| 60 ‐ 300 |
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Registrar Options | |
|
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Keep Alive | 30 – 300 |
| (seconds) |
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Proxy/NAT Device Parameters
SPP Call Signaling Parameter Definitions
Description
In direct mode, all VOIP gateways have static IP addresses assigned to them.
In registrar/client mode, one VOIP gateway serves as registrar and all other gateways, being its clients, point to that registrar. The registrar assigns IP addresses dynamically.
The UDP port on which data transmission occurs. Each client VOIP has its own port. If two client VOIPs are both behind the same firewall, then they must have different ports assigned to them. If there are two clients and each is behind a different firewall, then the clients could have different port numbers or the same port number.
(Default port number = 10000.)
If packets are lost (as indicated by absence of an acknowledgment) then the endpoint retransmits the lost packets after this designated time duration has elapsed. (Default value = 2000 milliseconds.)
Number of times the VOIP re‐transmits a lost packet (if no acknowledgment has been received). (Default value = 3)
Client Option fields are active only in registrar/client mode and only for client VOIP units.
This is the preferred SPP registrar gateway for controlling the traffic of the current VOIP.
A first and a second alternate SPP Registrar gateway can be specified for use by the current VOIP for situations where the Primary Registrar gateway is busy or otherwise unavailable.
This is the IP address of the registrar VOIP to which this client is assigned. (Default value = 0.0.0.0; effectively, there is no useful default value.)
This is the port number of the registrar VOIP to which this client is assigned. (Default port number = 10000.)
The interval between the VOIP gateway’s successive attempts to connect to and be governed by a higher level SPP registrar gateway. The Primary Registrar is the highest level registrar gateway. Alternate Registrar 1 is second; Alternate Registrar 2 is the lowest order SPP registrar gateway.
Registrar Option fields are active only in registrar/client mode and only for registrar VOIP units.
Time‐out duration before a registrar un‐registers a client that does not send its “I’m here” signal. Client normally sends its “I’m here” signal every 20 seconds. Timeout default = 60 seconds.
Behind Proxy/NAT | Y/N |
device |
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Proxy/NAT Device | n.n.n.n |
Parameters – Public |
|
IP Address |
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|
Enables MultiVOIP (running in SPP Registrar mode) to operate ‘behind’ a proxy/NAT device (NAT = Network Address Translation).
The public IP address of the proxy/NAT device which the MultiVOIP is behind.
MultiVOIP® Voice/Fax over IP Gateways | 65 |
