SAP Knowledge Base Article - Preview

1856444 - SIP hard phone DTMF101 not working with H323 Gateways


SIP hard phone's DTMF's "Dual-tone multi-frequency signaling" doesn't work with Business Communication Management 7.0 with same H323 gateway settings as older BCM versions.

Image/Data is from SAP internal systems, sample data, or demo systems.  Any resemblance to real data is purely coincidental.



  • SAP Business Communication Management 7.0
  • SAP Contact Center 7.0


SAP Contact Center, on-premise edition 7.0


KBA , CRM-CCI , Contact Center Infrastructure , Problem

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