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Regardless of the type of network used (LAN, VLAN or WAN), set up the TCP/IP links (CTI links) between the AE Services server and Communication Manager with the following network latency characteristics:
No more than a 200 ms average round-trip packet delivery time, as measured with ping over every one-hour time period
Periodic spiked delays of no more than 2 seconds while maintaining the 200 ms average round-trip delivery time, as measured with ping over every one-hour time period
These requirements are necessary to maintain the AE Services communication channel with each Communication Manager C-LAN over a LAN/VLAN or WAN. Considerations include:
If the CTI application issues route requests, the associated vector “wait” step must have a value greater than the largest “periodic spiked delay”. With a maximum delay of 2 seconds, the wait step must be greater than 2 seconds. If you can guarantee “periodic spiked delays” of less than 2 seconds, you can reduce the wait step time-out accordingly.
If the switch receives no response to a route select, the call will follow the remaining steps in this specific vector, so you must program the vector to deal with this condition. If you encounter “periodic spiked delays” greater than 2 seconds, messages are either:
Stored and retransmitted after recovering from a short network outage, or
Dropped during a long network outage
![]() | Note |
The communication channel between the AE Services server and the Communication Manager requires a hub or data switch. Avaya does not support the use of a crossover cable. |