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5.1 SIP
Item
Session Timer
Session Expiry
(sec)
Min SE
Session Timer
Refresh Method
PRACK
SIP Local Port
SIP QoS Type
Accept Proxy Only
P2P Call Alive
Detection
Explanation
Enable session timer or not (RFC 4028)
This is the setting of initial session timer expires time according to
RFC4028 - Session Timers in the Session Initiation Protocol
The minimum session timer allowed when receiving a call with
session timer value according to RFC 4028
The session timer refresh method
Enable provision ACK or not (RFC 3262)
- None: Disable PRACK
- Supported: When selecting this mode, 100rel will be added
to the support list. It indicates the VGW-800 series can
support the PRACK but not mandatory.
- Require: PRACK is mandatory required.
The SIP local service port (default is 8080)
Quality of Service Type for SIP signaling
- None: Not using QOS Tag and not enables QOS.
- DiffServ: Differentiated Services Value. Input DSCP value
0-63 for DSCP
- TOS: Type of Service which include IP precedence value
and TOS.
Only accept the call coming from the SIP proxy. Does not accept
peer to peer call in this mode
Check whether info communication exists; if not, FXO will
automatically terminate the link.
This function is only for P2P on FXS and FXO.
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8-Port SIP Internet Telephony Gateway
Chapter 5 VoIP Setting
VGW-800 Series
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