OnSIP uses outbound proxy and authentication ID in addition to a username and password when connecting to the SIP registrar server. Viking paging products PA-IP, 40-IP, and 40TB-IP can support those features with special software that can be obtained by contacting Viking Support (715-386-8666).
Other products can be special ordered with hardware and software to support the features needed to use OnSIP, contact Viking Sales (715-386-8861) for information.
Codec Support :
Calls using PSTN: g711u & g711a
Calls using SIP only: g711u, g711a, & g722