voice doors cisco

Cisco Voice Gateways 

Cisco CallManager underpins a few sorts of Cisco IP communication passages. These areas give a diagram of the accompanying upheld doors: 

•Standalone Voice Gateways 

•Cisco Catalyst 4000 and 6000 Voice Gateway Modules 

•Cisco Integrated Communications System 7750 Gateways 

•H.323 Gateways 

Independent Voice Gateways 

This part depicts the independent, voice gateways cisco  application-explicit door models that are upheld for use with Cisco CallManager. 

Cisco Voice Gateway 200 

The Cisco IP Telephony Voice Gateway (VG200) gives a 10/100BaseT Ethernet port for association with the information organization. The accompanying rundown gives accessible communication associations: 

•1 to 4 FXO ports for associating with a focal office or PBX 

•1 to 4 FXS ports for associating with POTS communication gadgets 

•1 or 2 T1 PRI or T1 CAS ports for associating with the PSTN 

•1 or 2 E1 PRI ports for associating with the PSTN 

•MGCP or H.323 interface to Cisco CallManager 

– MGCP mode upholds T1/E1 PRI (client side just), T1 CAS, FXS, and FXO. 

– H.323 mode underpins E1/T1 PRI (client side just), E1/T1 CAS, FXS, and FXO, and E&M, fax hand-off, G.711 modem. 

The MGCP VG200 coordination with inheritance voice message frameworks permits the Cisco CallManager to connect a port with a voice letter drop and association. 

Cisco Access Digital Trunk Gateways DT-24+/DE-30+ 

The Cisco Access Digital Trunk Gateways DT-24+/DE-30+ give the accompanying highlights: 

•T1/E1 PRI (organization or client side) 

•T1 CAS associations (DT-24+) that help E&M motioning with wink or defer dial management and circle start FXO and ground-start circuit imitating. 

•MGCP interface to Cisco CallManager 

Cisco Access Analog Station Gateways 

Station doors let you associate the Cisco CallManager to POTS simple phones, intuitive voice reaction (IVR) frameworks, fax machines, and voice message frameworks. Station doors give FXS ports. The AS-2, AS-4, and AS-8 models oblige two, four, and eight Voice over IP (VoIP) passage channels, separately. 

Cisco Access AS entryways speak with Cisco CallManager by utilizing Skinny Gateway Protocol. 

Cisco Analog Trunk Gateways 

Simple trunk entryways let you interface the Cisco CallManager to standard PSTN focal office (CO) or PBX trunks. Trunk entryways give FXO ports. The AT-2, AT-4, and AT-8 models oblige two, four, and eight VoIP passage channels. The flagging sort indicates circle start. 

Cisco Access AT entryways speak with Cisco CallManager by utilizing Skinny Gateway Protocol. 

Cisco VG248 Analog Phone Gateway 

The Cisco VG248 Analog Phone Gateway has an independent, 19-inch rack-mounted skeleton with 48-FXS ports. This item permits on-premise simple phones, fax machines, modems, voice message frameworks, and speakerphones to enlist with a solitary Cisco CallManager group.