Intra-Site On-Net Call

This call type occurs between two endpoints located at the same site. As shown in the following figure, media traffic is between the endpoints.

On-Net Call (Intra-Site)

dialplan-intra-site

Usage
  • Target numbering must follow the Numbering Plan described in this chapter
  • Target number can be a short code, extension, or ESP +Extension, DN or ISP + DN, depending on the enterprise internal numbering plan
  • Target number is used unless restricted by Class of Service
  • Codec is dynamically selected based on the endpoints used
Accessibility User can perform On-Net call from any endpoint registered with Cisco Unified Communications Manager
Default Configuration Configuration Choices

Available to all users

  • Feature availability cannot be changed
  • Codec preferences are configuration
Redundancy Available to users without restrictions
Survivability

Available to users in fallback mode with the following exceptions:

  • Phone must be registered to the SRST Gateway
  • Users must be able to make On-Net calls only to the same site users connected to the same SRST Gateway
  • No COS is available during survivability mode
Endpoint Types Supported
  • Cisco IP phones
  • Cisco ATA
  • Cisco VG
Examples 
Case 1: DN = ISP+SLC+Extension
Phone A (DN=8 300 4040)
Dial 4050 (Phone B extension)
as Phone A Connected Number shows 8 300 4040

Phone B (DN=8 300 4050)
On Answer, display shows 8 300 4040 -Calling Party Number

Case 2: DN = SLC+Extension; Extension Prefix is used for
Extension dialing (for example 6)
Phone A (DN=300 4040)
Dial 6 4050 (Phone B extension)
Phone A Connected Number shows 300 4050

Phone B (DN=300 4050)
On Answer display shows 300 4040 -Calling Party Number

Case 3a: DN= Extension {Dialing with full DN}
Phone A (DN=40404040)
Dial 40404050 (Phone B extension)
Phone A Connected Number shows 40404050

Phone B (DN=40404050)
On Answer display shows 40404040 as the Calling
Party Number

Case 3b: DN=Extension {Dialing with Short Code}
Phone A (DN=40404040)
Dial \*4050 (short code for Phone B)
Phone A Connected Number shows 40404050

Phone B (DN=40404050)
On Answer display shows 40404040 as the Calling
Party Number