Caspertel Inc. Pakistan
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- Voip consulting
- Voip Termination ISP
- Call Back
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- E1 Bulk Wholeseller
- H.323 VoIP Gateway
- Hosted VoIP
- PC to Phone
- Phone To PC
- Phone To Phone
- Project Mangement Services
- Termination
- Web Call
- Web To Phone
- Asterisk
- Cisco Systems
- Linksys
- Quintum
- SIP softphones
- Billing system of own development
- Voip Switch
Numbers starting with 0800, 800, 1-800 are usually toll-free for the caller; the called party, however, has to cover the charges on those calls.
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