- twitter.com citel/with_repliesCitel. The VoIP Migration Company saves you time & money, from a highly integrated OSS/BSS platform thru to Portico TVA for digital & Centrex VoIP access.
- twitter.com citel?lang=ruCitel. The VoIP Migration Company saves you time & money, from a highly integrated OSS/BSS platform thru to Portico TVA for digital & Centrex VoIP access.