| US 7,492,775 B2 | ||
| Address definition for IP telephony services | ||
| Matthew J. Cannon, Dallas, Tex. (US); and Steven R. Donovan, Plano, Tex. (US) | ||
| Assigned to Verizon Business Global LLC, Basking Ridge, N.J. (US) | ||
| Filed on Jan. 22, 2004, as Appl. No. 10/761,375. | ||
| Application 10/761375 is a continuation of application No. 09/364005, filed on Jul. 29, 1999, granted, now 6,735,209. | ||
| Prior Publication US 2004/0151194 A1, Aug. 05, 2004 | ||
| Int. Cl. H04L 12/28 (2006.01); H04L 12/56 (2006.01) | ||
| U.S. Cl. 370—401 [370/328; 370/338; 370/351; 370/353; 370/356; 370/395.3; 370/410; 370/426; 370/465; 370/466; 370/467; 379/221.1; 379/221.11; 379/221.12; 379/221.09; 455/426.1; 455/426.2; 455/432.2] | 10 Claims |
| 1. A method for establishing a telephone call, comprising: receiving telephone number information that includes a telephone
number and a nature of address indicator;
mapping the telephone number information to a session initiation protocol format to form a session initiation protocol message
that includes a nature of address indicator;
establishing the telephone call based on the nature of address indicator in the formed session initiation protocol message;
receiving a session initiation protocol message that includes a nature of address indicator;
mapping the received session initiation protocol message to a call establishment request of a different format, where the
call establishment request includes nature of address indicator and where the different format includes one of a signaling
system 7 format, an integrated services digital network format, an integrated services digital network user part format, or a channel
associated signaling format; and establishing a second telephone call based on the nature of address indicator in the call
establishment request.
|