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Thông Số Sip Trunking

10 Tháng Mười, 201827 Tháng Mười, 2023 adminvoip 2733 Views

Các bản tin Sip Trunking

INVITE : bắt đầu thiết lập cuộc gọi bằng cách gửi bản tin mời đầu cuối khác tham gia

ACK : bản tin này khẳng định máy trạm đã nhận được bản tin trả lời bản tin INVITE

BYE : bắt đầu kết thúc cuộc gọi

CANCEL : hủy yêu cầu nằm trong hàng đợi

REGISTER : đầu cuối SIP sử dụng bản tin này để đăng ký với máy chủ đăng ký

OPTION : sử dụng để xác định năng lực của máy chủ

INFO : sử dụng để tải các thông tin như âm báo DTMF

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Codecs là chuẩn mã hóa , giải mã âm thanh thành các luồng dữ liệu để truyền đi trong môi trường internet.

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