General :: Troubleshooting Fax : Bicom Systems
T38 gateway 488 error - Asterisk Fax - Asterisk Community
488 Not acceptable here” when joining a conference via UCMA | The thoughtstuff Blog
Unified Communications Guerrilla: How Video Kills the Audio Call with Early Offer
Solved - Fax Server Issues - 488 Not Acceptable Here | 3CX Forums
488 Not Acceptable Here Response - General - VoiceGuide
SV8100 SIP re-invite gets "488 Not Acceptable Here", call is dropped - NEC: PBX solutions - Tek-Tips
Cisco CME and "SIP/2.0 488 Not Acceptable Here" - GeekStuff
FAX Detection
can not make a call from 7910 phone which registered to Asterisk PBX- Huawei
Proxy side Media negotiation failed - Polycom VVX Call transfer failure - Hab's Blab
A FOIP Mystery - 488 not Acceptable Here - VoIP Forum
How to fix Error SIP 488 Not Acceptable in Cisco Call Manager - PBXDom
Cannot receive fax with Patton SN4554 - error 488 - Fax Setup - Vodia PBX forum
Packet Capture show "Not Acceptable Media" on CUCM Sip Trunk - Cisco Community
488 Not Acceptable Here – CLOUD VOICE TECHIESTUFF
T.38 negotiation failure - Asterisk Fax - Asterisk Community
Solved - Fax Server Issues - 488 Not Acceptable Here | 3CX Forums
How to fix Error SIP 488 Not Acceptable in Cisco Call Manager - PBXDom
VX says VVX “Not Acceptable Here” | greiginsydney.com
Asterisk Fax - Asterisk Community
AudioCodes SBC (VE) - Can't dial
Fax over IP (FoIP) Faxes Failing – GFI FaxMaker Support
Network Engineer having more and more UC duties foisted upon him - can y'all help me troubleshoot a fax issue? : r/ciscoUC
A FOIP Mystery - 488 not Acceptable Here - VoIP Forum
