Permissive dialing

#	Item
131	PDF Document Add to Reading List Source URL: nanpa.com Language: English - Date: 2009-08-21 14:59:45 Telcordia LERG Routing Guide Area code 246 Communication Overlay plan Permissive dialing Telephone exchange Information North American Numbering Plan expansion Telephone numbers North American Numbering Plan Telephone numbering plan
132	PDF Document Add to Reading List Source URL: nanpa.com Language: English - Date: 2009-08-21 14:59:43 Telephone numbering plan Telcordia LERG Routing Guide Permissive dialing Telephone exchange Communication Information Technology Telephone numbers North American Numbering Plan Area code 246