
DMA OperationsGuide  External SIP Peer
100 Polycom, Inc.
Postliminary 
Use output format  Enables dial string transformations using the To header 
and Request-URI option settings below instead of a 
customized script. 
Note: The system generates a script that implements 
the settings made in this section. To see (and perhaps 
copy) the generated script, you can temporarily select 
Use customized script. 
To help you learn how to write your own script, you can 
make different settings in this section and see how the 
generated script changes. 
To header options  Specify the format of the To header in messages sent to 
this peer. 
Copy all 
parameters of 
original “To” 
headers 
Copies any parameters included in the original To 
header to the To header sent to this peer. This setting 
applies to all format options. 
Format 
Temp la t e 
Select a predefined format from the list, or select Free 
Form Template and define the format in the associated 
Templ ate field. 
The predefined formats in the list and the variables you 
use in the Templ ate field are described in “SIP Peer 
Postliminary Output Format Options” on page107. 
Request URI options  Specify the format of the Request-URI. 
Format 
Temp la t e 
Select a predefined format from the list, or select Free 
Form Template and define the format in the associated 
Templ ate field. 
The predefined formats in the list and the variables you 
use in the Templ ate field are described in “SIP Peer 
Postliminary Output Format Options” on page107. 
Use customized script  Enables an executable script, written in the Javascript 
language, in the text box below. Writing such a script 
enables you to more flexibly define dial string and 
message format transformations to be applied. 
Type (or paste) the postliminary script you want to 
apply. Then click Debug this script to open the Script 
Debugging Dialog Box for Preliminaries/Postliminaries 
and test the script with various variables. 
Note: When you make settings in the Use output 
format section, the system generates a script that 
implements those settings. Select this option to see 
(and perhaps copy) the generated script. 
Table 5-14 Add External SIP Peer dialog box 
Field  Description