Cisco 3522 BRI User Manual
Page 11
 
1-5
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Releases 5.6 and 5.7
OL-17010-01
Chapter 1 Functionality
About Gateway Features
IP network connection I10/100Base-T Ethernet IP UTP connection (on the front panel).
Serial control port 
(DB-9) connection
RS-232 DTE 9-pin D-type connection on front panel for connection to a PC 
terminal or an external modem.
Supported signaling 
protocols
5ESS and 4ESS, DMS100, National 
ISDN, Euro-ISDN, VN6 Dialing 
(France), NTT (Japan), Hong Kong 
Dialing (Hong Kong), Support for 
Taiwan PRI system.
DMS100, National ISDN, 5ESS 
Custom/Multipoint (US, Taiwan)
5ESS PTP (US, Taiwan)
ETSI (France, Europe, Taiwan, Hong 
Kong)
ETSI PTP (France, Europe, Taiwan)
VN6 Dialing (France)
Austel 1 Dialing (Australia)
KDD, NTT (Japan)
Hong Kong Dialing (Hong Kong).
PRI interface
Configurable E1/T1 PRI network 
interface.
Support for fractional E1/T1 channel 
selection.
Configurable as terminal side (TE) or 
network side (NT) device.
Configurable Long Haul PRI module 
(supported in Japan only).
N/A
Switch information
Numbering Plan Identifier (NPI), 
Type of Number (TON) and Network 
Specific Facility (NSF) information 
elements are configurable per PRI 
port.
N/A
Bonding calls
Internal Imux providing calls at 128 
Kbps (2B) up to full PRI of 
1472 Kbps (23B) for T1 and up to full 
PRI of 1920 Kbps (30B) for E1 using 
bonding mode 1.
Internal Imux providing calls at 128 
Kbps (2B) up to 512 Kbps (8B) using 
bonding mode 1.
Parallel dialing for bonded calls.
Internal IVR capacity
30 simultaneous calls
8 simultaneous calls
Table 1-2
Cisco Gateway Feature Specifics (continued)
Feature
Cisco Unified 
Videoconferencing 3527 PRI Gateway
Cisco Unified 
Videoconferencing 3522 BRI Gateway