iPECS eMG80/100& eMG800 & UCP & vUCP
Administration and Programming Manual
Issue 2.3
473
Table 4.4.8.3-1 SIP CO ATTRIBUTES
ATTRIBUTE
DESCRIPTION
RANGE
DEFAULT
External CODEC Priority Configuration
1st ~5th priority
1st. priority, 2nd. Priority, 3rd. priority, 4th. Priority, 5th. Priority
If specify priority to a specific CODEC then it will work for
negotiation RTP data.If only 1st. priority is specified and the
others are none, then it will work as single CODEC only does
None/ g.711-u/ g.711-a/ g.723.1/ g.729/ g.729-a/ g.722
Refer to
description
none
SIP Call Setup Failover Option
Call Setup No
Response
When the system initiates a SIP Trunk call and receives no
response from the SIP proxy server, after expiration of this timer
the SIP call is canceled and a Fail-over call placed on the Fail-
over CO/IP Line group specified below. Note the timer can be set
at 3 to 15 seconds
and ‘0’, which disables Fail-over.
0, 3 ~ 15
sec
5sec
Failover CO
Group Number
When the system attempts to initiate a SIP Trunk call and the SIP
Trunk is in an OOS state or the SIP proxy server does not
respond in the No Response time above, the system will cancel
the SIP call and place a call over a CO/IP Line from this group.
eMG80/100:1 ~ 21,eMG800/UCP:1~201
Refer to
description
none
SIP Session Timer
Session Timer
Usage
During a SIP call or “session”, there are no signaling packets sent
or received from the SIP Call server. In order to assure a session
is still active, the system can periodically send an Option message
that the SIP Call server should acknowledge.
ON/OFF
OFF
Session Timer
Value
When “Session Timer Usage” is enabled, the system will verify the
session at this timer interval.
90~ 3600
360
Min SE
During negotiation with “Session Timer Usage” enabled, the
system will use this value as the minimum Session expiration
timer and will not respond to a SIP Option message prior to
expiration of this timer.
90~ 3600
90
URI Formatting and Rules
General Formatting
To Field
Method
The SIP “To:” header is formatted using the SIP or Telephony
method as shown below.
SIP method
To: < sip:[Number]@[Domain];user=phone >
Telephony method
To: < tel:+[Number] >Domain
Refer to
description
SIP:
method
Numbering
Format
When assigned the Telephony method for the
“To” header, the
number format can be:
Local
- [tel:+Number]@[Domain]
Global
(+E164) - [tel:+E.164 Address]@[Domain]
E.164 Address: Area Code + Number
Refer to
description
Local