GTALK2VOIP will stop the calling service from December 1, 2021.
Talkonaut app will stop working from December 1, 2021.
GTALK2VOIP stopped accepting payments from October 1, 2021.
Talkonaut is a Jabber (XMPP) client with peer-to-peer voice calling over Jingle Audio extension. Talkonaut can be used with any Jabber account. Talkonaut supports a number of XMPP extensions including multi-user conference chat (XEP-0045), file and image sharing (XEP-0047, XEP-0065), vCard based avatars (XEP-0153) and many others.
You can also use Talkonaut to make cheap voice calls to landline or mobile phone numbers through GTalk2VoIP infrastructure.