Refer to the exhibit. Which codec should an engineer select for a call made between "Dallas-REG" & "Austin-REG"?
A DTMF mismatch is occurring between an MGCP gateway registered FXS port and a Cisco Unified communications Manager SIP trunk. Which media resource can be leveraged to interwork this mismatch?
What are two differences between media flow-around and media flow-through on cisco unified Border element? (Choose two.)
A user reports transfer failure from an IP phone for calls received from a PSTN to another PSTN number.
What is a reason for these failures?
Due to provider requirements, outgoing calls from the Enterprise to the PSTN must start with channel 1.
Which ISDN command changes the channel selection an IOS to meet this requirement?