TelTel, which provides free PC-to-PC VoIP services based on SIP, had initiated its beta phase in September. The company has recently introduced two new services, namely TelTel-Out for connecting to the PSTN and Call-Forwarding. TelTel does not operate over the public Internet; instead it operates via a global cluster of managed, SIP-based telephony networks. These networks are referred to as the PsipTN. ISPs, IPSPs, and CLECs are the SIP Virtual Network Operator partners of TelTel and they maintain the individual networks. Subscribers to TelTel-Out can purchase credits in chunks.
$ 10 gives a talk-time of 500 minutes. Regions that attract high traffic such as North America and Western Europe have been assigned a flat rate of 2 cents per minute. The rate varies for other locations. The Call-Forwarding plan is available globally and enables users to forward their calls to any phone located anywhere in the world.
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