Avaya Application Solutions
Figure 2: Communication Manager traffic flow
SIP
Phone
SIP | Signaling |
|
SES
Audio
SIP | Signaling |
|
Avaya Media Servers
Communications
Applications
SIP
Signaling
CCMS Signaling over IP |
RTP
Avaya Media
Gateways
G650
MCC1
SCC1
Telephone
IP
Communications
Device
H.323 Signaling
RTP Audio
PSTN | Audio |
RTP Audio
Communications | ||
Manager | ||
Telephone | ||
| ||
| H.248 Signaling |
RTP |
Avaya G700
cynds222 LAO 012506
Figure notes:
1.SIP phones exchange RTP audio among themselves and with the G700, G650 Media Gateways, and so forth, but not with IP phones.
2.SIP signaling from Avaya Communication Manager is always to/from SES.
3.SIP signaling can go through a C-LAN (on a G650, etc.), or directly Communication Manager (if the server is the S8300 or S8500).
Note:
This is actually true for both H.323 and H.248 signaling. The diagram gives the impression that H.248 comes directly from Communication Manager and H.323 goes through the media gateways, when in fact both protocols can go both ways depending on server type.
Communication Manager is the next generation of Avaya call processing software. Communication Manager is an open, scalable, highly reliable, and secure telephony application. Communication Manager operates on Avaya servers, and on the existing family of DEFINITY servers.
Communication Manager carries forward all the current DEFINITY capabilities, plus all the enhancements that enable enterprises to take advantage of new, distributed technologies, increased scalability, and redundancy. Communication Manager is evolved from DEFINITY software and delivers
