Tag Archives: Voice

Cisco UC – Gateways and SRST

Gateway Gateways are Cisco routers that have Voice Ports to connect to PSTN network and PVDM cards to transcode. Voice Cards Pri E1 -> VWIC-1MFT-E1 Bri ports -> VIC2-2FXO Analog devices (fax, mobile track) -> VIC-4FXS Data ISDN -> WIC-2BRI VWIC – Voice and WAN Interface Card (Voice + Data) VIC – Voice Interface Card (Only Voice) WIC – WAN Interface Card (Only Data)… Read More »

VoIP general concepts

Voice Gateway Protocols MGCP – Media Gateway Control Protocol – Standard protocol based on a Master (Call Manager, CUCM) and a Slave (Voice ports of the gateway). Call manager decides where the call should be forwarded. H.323 – Standard and distributed protocol. The gateway decides where the call should be forwarded. H.323 is composed by H.225… Read More »

Cisco UC – CCX – Contact Center

Queues Design http://routeswitchblog.com/2013/04/01/uccx-automatic-call-distribution-acd-part-1/ http://routeswitchblog.com/2013/04/25/uccx-automatic-call-distribution-acd-part-2/   Application Scripts Cisco Unified CCX Editor Video   Holiday days Link   Exceptions – They are used to handle errors. – It’s not important their location in the script, they will be run when the exception  happens. – ContactInactiveException – When the caller hangs the call. Usually to go to END… Read More »

Cisco UC – Unified Communications Arquitecture

UC Architecture Infrastructure Layer: Components: Switches, Routers and voice gateways Carries data, voice and video between devices and applications Call Control Layer: CUCM, CUCM Express or CUCM Business Edition CUBE – Cisco Unified Border Element (Session Border Controller) SRST – Survivable Remote Site Telephony Provides call processing, device control, dial plan admin Appplication Layer: Cisco Unity, Contact… Read More »