Aastra Telecom 57I CT, 55I, 53I manual Transport Layer Security TLS Settings

IP Phone Administrator Guide

Operational, Basic, and Advanced Parameters

Appendix A

Transport Layer Security (TLS) Settings

Parameter –	Aastra Web UI	Advanced Settings->Global SIP->
sip transport protocol		Advanced SIP Settings
Transport Protocol	Configuration Files	aastra.cfg, <mac>.cfg
(in Web UI)
Description	Specifies the protocol that the RTP port on the IP phone uses to send
	out SIP signaling packets.

Notes:

1.If you set the value of this parameter to 4 (TLS), the phone checks to see if the “sips persistent tls” is enabled. If it is enabled, the phone uses Persistent TLS on the connection. If “sips persistent tls” is disabled, then the phone uses TLS on the connection. If TLS is used, you must specify the Root and Intermediate Certificates, the Local Certificate, the Private Key, and the Trusted Certificates.

2.If the phone uses Persistent TLS, you MUST specify the Trusted Certificates; the Root and Intermediate Certificates, the Local Certificate, and the Private Key are optional.

Format	Integer
Default Value	1	- UDP
Range	Valid values are:
	0	- User Datagram Protocol (UDP) and
			Transmission Control Protocol (TCP)
	1	-	UDP
	2	-	TCP
	4	- Transport Layer Security (TLS)
Example	sip transport protocol: 4

A-72 41-001160-00, Release 2.1, Rev 04