AudioCodes Mediant 1000B - Detecting Collect Calls

User's Manual 608 Document #: LTRT-27055
Mediant 1000B Gateway & E-SBC
Parameter Description
No Reply Time
no-reply-time
[ISDNSuppServ_NoReplyTime]
Defines the timeout (in seconds) that if the BRI extension does
not answer before it expires, the device forwards the call to the
phone number as defined by the 'CFNR Phone Number'
parameter (see above).
The default is 30.
Note:
 The parameter is applicable only to BRI interfaces.
 To enable BRI call forwarding services, see the
BRICallForwardHandling parameter.
For more information on configuring local handling of BRI call
forwarding, see Local Handling of BRI Call Forwarding on page
584.
Caller ID
Caller ID Enabled
caller-id-enable
[ISDNSuppServ_IsCallerIDEnabl
ed]
Enables the receipt of Caller ID.
 [0] Disabled = The device does not send Caller ID information
to the endpoint.
 [1] Enabled = The device sends Caller ID information to the
endpoint.
Caller ID Name
caller-id-number
[ISDNSuppServ_CallerID]
Defines the caller ID name of the endpoint (sent to the IP side).
The valid value is a string of up to 18 characters.
Presentation
presentation-restricted
[ISDNSuppServ_IsPresentationR
estricted]
Determines whether the endpoint sends its Caller ID information
to the IP when a call is made.
 [0]
Allowed = The device sends the string defined in the 'Caller
ID' field when this endpoint makes a Tel-to-IP call.
 [1] Restricted = The string defined in the 'Caller ID' field is not
sent.
27.15 Detecting Collect Calls
The device detects collect calls (reverse charge calls) using any of the following
information elements (IE) in the received Q.931 ISDN Setup message for Tel-to-IP calls:
 Reverse Charging Indication IE
 Facility IE
When the device detects a collect call, it adds a proprietary header (X-Siemens-Call-Type:
collect call) to the outgoing SIP INVITE message.
No special configuration is required for the feature.
Note: The feature is applicable only to the Euro ISDN protocol variant.