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4. SIP Server will be “yourcompany.penntelco.com” (we will provide you the full name of
the server with your account information).
5. SIP User ID and Authentication ID will be your extension number.
6. Password will be provided
7. Voicemail user ID will be *97
Advanced Configuration
After the account is added, go back to Settings/Account Settings. Tap on your account and make the following changes (if needed):
1. Set Transmission Protocol to TLS
2. Set Unregister Before New Registration to Unregister ALL
3. Set DNS mode to A RECORD
4. Set NAT Traversal to STUN
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