Aastra 480i Administrator's Manual page 346

IP Phone Administrator Guide
Operational, Basic, and Advanced Parameters
Parameter –
sip transport protocol
Transport Protocol
(in Web UI)
Description
Format
Default Value
Range
Example
Parameter –
sip registration retry timer
Registration Failed Retry
Timer
(in Web UI)
Description
Format
Default Value
Range
Example
A-56
DFW Phone 972-992-4600
Aastra Web UI Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files aastra.cfg, <mac>.cfg
The protocol that the RTP port on the IP phone uses to send out RTP
packets.
Boolean
1 (UDP)
Valid values are:
0 - Both
1 - UDP
2 - TCP
sip transport protocol: 2
Aastra Web UI Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files aastra.cfg, <mac>.cfg
Specifies the time, in seconds, that the phone waits between registration
attempts when a registration is rejected by the registrar.
Integer
1800 (30 minutes)
30 to 1800
sip registration retry timer: 30
41-001129-00 Rev 09, Release 1.4.1