Spectrum 
| General office |
| VoIP Provider: | Spectrum |
| Address: | 3546 Ramblewood Pl. |
| City: | Fremont |
| Country: | USA |
| State: | California |
| Zip code: | 94536 |
| Phone number: | (510)818-9703 |
| Fax number: | |
| Email: | Send Message |
| VoIP Provider URL: | http:// |
| Contact Persons | |
| Name: | Tim Yao |
| Position: | COO |
| Phone number: | |
| Mobile number: | |
| Fax number: | |
| Email: | Send Message |
| Providers Details | |
| VoIP Categories: | International VoIP Wholesale Provider, Internet Telephony Service Provider, Voip Termination ISP |
| VoIP Services: | H.323 VoIP Gateway, SIP VoIP Gateway, Termination |
| VoIP Equipments: | Quintum |
| VoIP Billing Softwares: | Billing system of own development, Custom Open Source Billing Solution |
| Description: | |
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