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Configuring Gateway Settings
•
To change the order of peer devices used in peer hunting, select a peer device and click the up or down
arrow button to change its order.
To add or edit a peer device, click Add or select the peer device and click Edit. Perform the following
steps in the Add peer or Edit peer dialog box:
a.
b.
c.
d.
Note
To delete a peer device, select the peer device and click Delete. Deleting a peer does not cause its active
calls to disconnect, but no new calls route to the deleted peer.
Note
In the Peer hunting timeout (sec) field, enter the length of time (between 1 and 10 seconds) for which
Step 7
the gateway waits for a Transmission Control Protocol (TCP) response from each peer device contacted.
The default value is 5 seconds.
Select the Accept calls from defined peers only check box if you want the gateway to reject incoming
Step 8
calls from IP-side entities not defined in the peer list. If unselected, the gateway allows incoming calls
from IP-side entities not defined in the Peer list section.
In the Reject calls from peer devices when less than n B channels are free field, enter the lower
Step 9
capacity threshold for rejecting calls from H.323 peer devices. The default setting is 6.
About Peer-to-Peer H.323 Call Disconnect Reasons
Table lists the H.323 call disconnect reasons that the gateway peer-to-peer call hunting module uses.
Table 3-3
Number
1
2
3
Administrator's Guide for Cisco IPVC 3521 BRI Gateway, Cisco IPVC 3526 PRI Gateway, and Cisco IPVC 3540 PRI Gateway
3-8
Calls—Displays "Yes" or "No" to indicate whether or not there are currently any active calls
between the peer and gateway.
In the IP Address field, enter or edit the peer IP address.
Two peers cannot have the same IP address or host name/Uniform Resource Locator (URL).
Note
In the IP Port field, enter or edit the peer IP port number.
In the Description field, enter or edit the description of the peer.
Click Upload.
You cannot add a single peer to the Peer list section more than once.
The peer hunting process stops when one of the peer devices accepts the call or when the call is
rejected with a disconnect reason. When a gateway has scanned the Peer list section and still
cannot connect a call then the following rules apply: if at least one of the peers rejected the call
due to capacity overload, the call rejection reason (towards the call originator) is "No
Resources"; in all other cases, the call rejection reason is "Unreachable Destination."
Peer-to-Peer H.323 Call Disconnect Reasons
H.323 Call Disconnect Reason
There is no available bandwidth.
Gatekeeper resources have been exhausted.
The destination cannot be reached.
Chapter 3
Configuring the Cisco IPVC 3500 Series Gateway
OL-7995-01
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