The number of SS7 Clients you choose to have is primarily determined by the number of calls you aim to support. SS7 Support for Blueworx Voice Response supports up to a maximum of 96 trunks, distributed over six Blueworx Voice Response clients. With SS7, Blueworx Voice Response supports both T1 and E1 telephony, which provide 24 or 30 channels (calls) per trunk respectively.
| Telephony | Circuits supported |
|---|---|
| T1 | 2304 (96 x 24) |
| E1 | 2880 (96 x 30) |
Blueworx Voice Response currently supports a maximum of 480 E1 or 384 T1 channels per pSeries computer (that is, 120 channels per DTTA, up to a maximum of four DTTAs per pSeries computer). To achieve the maximum number of channels supported by SS7 you need six Blueworx Voice Response clients, each with four DTTAs.
The number of SS7 Servers you choose to have is determined by the level of redundancy you require. Redundancy requires two SS7 Servers, each with a SS7 adapter, working in parallel in a load-sharing format. If one of the SS7 Servers has a problem, the remaining one will handle the call capacity for both. If you choose to have a non-redundant single SS7 Server configuration and your SS7 Server fails, all calls to your Blueworx Voice Response application are lost and no new calls can be accepted until the situation is recovered.