Appendix a – Aastra Telecom SISIP 57I CT User Manual
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Operational, Basic, and Advanced Parameters
41-001160-00, Rev 01 Release 2.0
A-61
Configuration Parameters
Appendix A
Parameter –
sip transport protocol
Transport Protocol
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files aastra.cfg,
Description
The protocol that the RTP port on the IP phone uses to send out RTP
packets.
Format
Boolean
Default Value
1 (UDP)
Range
Valid values are:
0 - Both
1 - UDP
2 - TCP
Example
sip transport protocol: 2
Parameter –
sip registration retry timer
Registration Failed Retry
Timer
(in Web UI)
Aastra Web UI
Advanced Settings->Global SIP->
Advanced SIP Settings
Configuration Files aastra.cfg,
Description
Specifies the time, in seconds, that the phone waits between registration
attempts when a registration is rejected by the registrar.
Format
Integer
Default Value
1800 (30 minutes)
Range
30 to 1800
Example
sip registration retry timer: 30