Cisco Cisco TelePresence Management Suite (TMS) Version 15
WebEx Audio (PSTN) Call Flow
Figure 15: WebEx Audio (PSTN) Call Flow
Step
#
#
Description
1
TMS starts conference on MCU, providing it with the SIP URI, telephone number and DTMF string to dial
into WebEx.
into WebEx.
2a
MCU dials WebEx via SIP. (refer back to
2b
At the same time as step 2a, MCU dials PSTN call-in number for WebEx.
3
WebEx prompts the MCU for the meeting access number.
4
MCU sends DTMF tones it was prompted for in step 3 to TSP.
5
WebEx receives the DTMF tones.
6
WebEx places the MCU into the audio conference.
Table 7: WebEx Audio (PSTN) Call Flow Steps
Cisco Collaboration Meeting Rooms (CMR) Hybrid Configuration Guide (TMS 14.4 - WebEx WBS29)
Page 43 of 186
Information About the CMR Hybrid Solution
Understanding CMR Hybrid Call Flow