Cisco Unified Communications Manager (CallManager)

Document ID: 82063

PDF Downloads MGCP IOS Gateway (RTP) Interactive Voice Network Configuration Example

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This series of interactive documents uses a typical head office and branch office in order to demonstrate some common voice network configurations. This interactive diagram allows you to view network configurations:

This image is interactive! Click a component to view configuration and troubleshooting information.

Refer to Unified CallManager Interactive Voice Network Configuration and Troubleshooting Case Study for requirements assumed by this series of interactive documents.

Configure

You can use one of these methods in order to configure an MGCP gateway in Cisco IOS for the RTP location:

• Automatic configuration (in which the MGCP gateway downloads its configuration from CallManager)
• Manual configuration

Automatic Configuration

Once you configure the MGCP Unified CallManager Gateway (RTP) Interactive Voice Network Configuration Example, this configuration is created automatically with these commands:

  ccm-manager mgcp
  ccm-manager music-on-hold
  ccm-manager config server 171.69.103.225
  ccm-manager config

Manual Configuration

For the manual configuration, the commands in this section are typed manually depending on desired configuration (with the exception of the ccm-manager config command).

Note: Only the relevant MGCP configuration is shown here.

hostname RTP

isdn switch-type primary-ni
voice-card 1
dspfarm
dsp services dspfarm

controller T1 1/0
framing esf                 !--- Automatic method adds automatically
linecode b8zs               !--- Automatic method adds automatically
pri-group timeslots 1-2,24 service mgcp  !--- Since this configuration is
                                         !--- performed in a lab, only two timeslots are used;
                                         !--- typically, all channels are used. Automatic
                                         !--- configuration defaults t0 24 channels

interface Serial1/0:23
no ip address
isdn switch-type primary-ni !--- Automatic method adds automatically
isdn incoming-voice voice   !--- Automatic method adds automatically
isdn bind-l3 ccm-manager    !--- Allows all Q931 to be backhauled over TCP to
                            !--- CallManager; automatic method automatically adds
no cdp enable 	            !--- Automatic method adds automatically

ccm-manager fallback-mgcp   !--- For redundancy (see SRST document)
ccm-manager mgcp
ccm-manager music-on-hold
ccm-manager config server 171.69.103.225
ccm-manager config          !--- Enables automatic config download from CallManager
!
                            !--- Automatic method adds automatically these commands
mgcp call-agent 171.69.103.225 2427 service-type mgcp version 0.1
mgcp dtmf-relay voip codec all mode out-of-band
mgcp rtp unreachable timeout 1000 action notify
mgcp modem passthrough voip mode nse
mgcp package-capability rtp-package
mgcp package-capability sst-package
no mgcp package-capability fxr-package
mgcp package-capability pre-package
no mgcp timer receive-rtcp
mgcp sdp simple
mgcp fax t38 inhibit
mgcp rtp payload-type g726r16 static
!
mgcp profile default