Administrator’s Guide for Polycom HDX Systems

Code

Cause

Description

 

 

 

621

Invalid Address

The address you entered is not valid. Check the

 

 

calling information and try again.

 

 

 

626

Invalid Address

The address you entered is not valid. Check the

 

 

calling information and try again.

 

 

 

627

Invalid Address

The address you entered is not valid. Check the

 

 

calling information and try again.

 

 

 

648

No Network

The network does not have the necessary

 

Resources

resources to complete your call. Try the call again

 

 

later.

 

 

 

681

No Network

The network does not have the necessary

 

Resources

resources to complete your call. Try the call again

 

 

later.

 

 

 

Q.850 Cause Codes

The following table describes codes that the ISDN switch sends to the Polycom HDX system to indicate call status. Although the codes are standardized, each ISDN service provider defines them differently. Because of this, the definitions in the table may not exactly match the messages that you see.

Code

Cause

Definition

 

 

 

1

Unassigned number

The switch received the sent ISDN number in the

 

 

correct format, but no destination equipment uses

 

 

the number.

 

 

 

2

No route to specified

The ISDN exchange does not recognize the

 

transit network

intermediate network through which to route the

 

 

call.

 

 

 

3

No route to

The intermediate network through which the call is

 

destination

routed does not serve the destination address.

 

 

 

6

Channel

The specified channel does not provide adequate

 

unacceptable

service quality to accept the requested

 

 

connection.

 

 

 

7

Call awarded and

The user is assigned an incoming call that is being

 

delivered

connected to a call channel that has already been

 

 

established for this user and this type of call.

 

 

 

16

Normal call clearing

The originator or receiver of the call has requested

 

 

that it be cleared.

 

 

 

17

User busy

All B channels are in use; the called system

 

 

acknowledges the connection request, but is

 

 

unable to accept the call.

 

 

 

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Polycom 1 manual Cause Codes, Code Cause Definition
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1 specifications

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