Tag Archives: SIP

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 »