I am in a fix and i need some major assistance, this is my first time setting up a sip trunk, later on setting it up on an ISR 4321. I have setup CME Successfully and my SIP Phones are dialing in and calling each other internally just fine. However my sip trunk for outgoing calls is not working i have fiber terminated on my ISR from my ISP for the trunk and i have established end to end connectivity just fine but when i configure my outgoing dial peers the isp can not see my sip messages what could i be me missing ?
This is my config i have no problem sharing my details as these are private a IPs.
My ISP shared these details.
Customer IP: 10.20.39.50
IP Route: 10.20.0.0 255.255.0.0
Proxy (Peer) IP: 10.20.39.254
Media IP: 10.20.34.4
Local/Peer port: 5060
Port type: UDP
Sip Message Type: SIP INVITE with ISUP
CLI Presentation Format: 1432300-1432324
Called number Presentation: 0xxxxxxxxx - National Format
Called number Presentation: 00xxxxxxxxx… - International Format
Sip number range from 211429400 to 211429449 (50 lines)
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