Chapter 1
Functionality
About Cisco Unified Videoconferencing 3500 Gateway
Functionality
•
•
•
•
About PRI Gateway Call Handling Capacity
Table 1-3
Table 1-3
Call Type
voice (64 Kbps)
2B video (128 Kbps)
6B video (384 Kbps)
12B video (768 Kbps) 2
Enabling ISDN-to-IP DTMF detection in the PRI gateway for video calls reduces the number of
Note
supported calls by half.
About BRI Gateway Call handling Capacity
Table 1-4
voice-only calls, or eight video calls, or any combination of the two.
Table 1-4
Number of Calls
1
2
4
8
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.6
OL-17010-01
About PRI Gateway Call Handling Capacity, page 1-11
About BRI Gateway Call handling Capacity, page 1-11
About Gateway Call Bandwidth Overhead, page 1-12
About Peer-to-Peer Connectivity, page 1-12
lists the maximum call handling capacity of the PRI gateway for different types of calls.
PRI Gateway Call Handling Capacity
Maximum Number of
Calls Using 1 x E1 PRI
Line
30
15
5
lists the maximum call handling capacity of the BRI gateway for four BRI lines, eight
BRI Gateway Call Handling Capacity
Capacity
384 Kbps+ or 412 Kbps
256 Kbps
128 Kbps
64 Kbps
About Cisco Unified Videoconferencing 3500 Gateway Functionality
Maximum Number of
Calls Using 1 X T1 PRI
Line
23
11
3
1
1-11