Multi-Tech Systems MULTIVOIP MVP210/410/810 - Manual (Page 26)

Chapter 3: Software Installation
Multi-Tech Systems, Inc. 26
Actions:
• Configure your chosen Call Signal type
o
H.323 (not supported by –SS and –FX series)
ƒ Use Fast Start (may be needed for third-party vendor compatibility)
ƒ Signaling Port (default is 1720)
ƒ Register with Gatekeeper (needed if the VOIP is to be controlled by a gatekeeper)
ƒ Allow Incoming Calls Through Gatekeeper Only
ƒ Gatekeeper RAS Parameters
• Enter parameters for Primary and any Alternate Gatekeepers
• RAS TTL Value (“Time To Live” in seconds)
• Gatekeeper Discovery Polling Interval (time between attempts connecting to
gatekeepers)
• Use Online Alternate Gatekeeper List
ƒ H.323 Version 4 Options (detailed descriptions of these can be found in Chapter 4)
o
SIP
ƒ Signaling Port (default is 5060)
ƒ Use SIP Proxy (enable to work with a proxy server)
ƒ Allow Incoming Calls Through SIP Proxy Only
ƒ SIP Proxy Parameters
• Enter information for Primary and any Alternate Proxy servers
• Append SIP Proxy Domain Name in User ID
• Enter User Name and Password
• Re-Registration Time (in seconds)
• Proxy Polling Interval (time between proxy server connect attempts)
• TTL Value (in seconds)
o
SPP (not supported by –SS series)
ƒ Mode (Direct, Client or Registrar)
ƒ Signaling Port (must be unique for any VOIP unit behind same firewall)
ƒ Retransmission (time before retransmission of lost packets)
ƒ Max Retransmission (number of retransmission attempts)
ƒ Client Options
• Enter information for the Primary and Alternate Registrars
• Polling Interval (time between connect attempts)
ƒ Keep Alive (time out for client un-registering)
ƒ Behind Proxy/NAT device
• Enter Public IP of Proxy/NAT server