Siphon SIP vs Telephone
A side-by-side look at Siphon SIP and Telephone. For an in-depth review of either product, follow the links below.
Siphon SIP
Social & Communications
Siphon SIP is a voice over IP (VoIP) software for making internet calls. It allows you to make free SIP calls to other Siphon users as well as cheap calls to phones globally.
voipsipinternet-callsfree-calls
Telephone
Social & Communications
Telephone is an open source SIP softphone and VoIP client for making audio and video calls over the internet. It supports standard telephony features like call waiting, call forwarding and voicemail.
voipsipsoftphonetelephonycalling
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