Cisco 1861 Datasheet

Page 1 of 20 Data Sheet Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated Services Router Interoperability with Cisco Unified Communications Manager Cisco® 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated Services Rou ...

Page 2 of 20 IP Telephony Phased Migration The Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series unified communications routers can help you immediately deploy an end-to-end unified communications network architecture or gradually shift voice traf ...

Page 3 of 20 Centralized Call Processing Demand for technology to help increase employee productivity and reduce costs is at an all-time high. At the same time, many organizations are struggling to deploy new applications and services because of unavailable c ...

Page 4 of 20 Upon restoration of the connectivity to the Cisco Unified Communications Manager, the system automatically shifts call-processing functions back to the primary Cisco Unified Communications Manager cluster. Configuration for this capability is per ...

Page 5 of 20 Scalability ● Meets enterprise office requirements of small offices to large corporations ● Scales up to 30,000 users per cluster with Cisco Unified Communications Manager clustering Investment Protection ● Provides a modular platform desig ...

Page 6 of 20 SIP MGCP H.323 Feature Benefits Y N Y E1 MelCAS E1 MelCAS facilitates connection to a PBX or PSTN. Y N Y E1 R2 (more than 30 country variants) E1 R2 enables connection to a PBX or PSTN. Y Y Y T1/E1 ISDN PRI Q.931 interfaces These interfaces are u ...

Page 7 of 20 SIP MGCP H.323 Feature Benefits Y Y Y Caller ID support8 This feature helps the unified communications router send the caller ID of a caller for display: In MGCP mode, to and from IP phone, FXS, T1/E1 PRI; and FXO to IP phone, not conversely (cal ...

Page 8 of 20 SIP MGCP H.323 Feature Benefits Y N Y Voice + Data integrated access This feature makes the voice and serial data interfaces available on the same T1/E1. Y N Y Fractional PRI This feature allows for use of fewer than 23/30 channels on a T1/E1. Ot ...

Page 9 of 20 SIP MGCP H.323 Feature Benefits Y Y Y Q.SIG and Q.931 Tunneling This feature enables transparent tunneling of ISDN signaling over VoIP signaling. Y19 N Y19 Ad hoc videoconference service and unified video transcoding service on Cisco Integrated S ...

Page 10 of 20 Table 4. Cisco Unified Communications Routers with Cisco Unified Communications Manager Minimum System Requirements Using MGCP Active Platforms Interface Part Number TDM Protocol or Feature Minimum Cisco IOS Software Release Minimum Cisco Unifie ...