Information for Integra Teleom service is available on http://www.integratelecom.com/
SIP Trunk main information
Name of SP Integra Telecom
Dial Plan Locale (Country) US
Fields to show on the SIP Trunk tab:
Proxy Server (Primary) Y
Proxy Server (Backup) F
Registrar Server Y
Outbound Proxy Server Y
SIP Domain Name Y
Digest Authentication (username / password) Y
User Credentials F
Call Admission Control T
Company Name F
Other:
Voice Codec Type G729 with Preference 1
Fax protocol T38
DTMF RFC 2833 with RTP payload type 101
Register all DIDs N
If register all DIDs, then - all DIDs have NA
DSCP marking Signaling cs3
DSCP marking RTP ef
SIP Destination Port 5060
Attached is the configuration guide and a template you can import into CCA 2.1 or higher. Info on how to upload a template is below:
https://www.myciscocommunity.com/docs/DOC-9168
This has been tested by Integra Telecom Labs.