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136 pages • first pub 2013 (view editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
Just about everyone is familiar with cellphones, smartphone apps, and ways to access social media while on the go. But what about the system that connects the world’s telephone networks, and that makes seamless roaming and local number portability...
Community Reviews
Content Warnings
136 pages • first pub 2013 (view editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
Just about everyone is familiar with cellphones, smartphone apps, and ways to access social media while on the go. But what about the system that connects the world’s telephone networks, and that makes seamless roaming and local number portability...
Community Reviews
Content Warnings