| IP Telephony Software Telecommunications > Ip telephony > IP Telephony Software |  |
Callserve?s free software enables low cost PC to phone calls anywhere in the world. Save up to 90% on call charges, depending on call location.
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| Callserve: Internet Telephone Callserve?s free software enables low cost PC to phone calls anywhere in the world. Save up to 90% on call charges, depending on call location. | ||
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