Category - 传统技术(ISDN)

ENUM是什么意思?

Date: August 11, 2021
By: wyslink_phone
Categories: 传统技术(ISDN)

什么是回波消除?

Date: August 11, 2021
By: wyslink_phone
Categories: 传统技术(ISDN)

实现从 PSTN 到 SIP 中继的转变：SIP 中继简介

Date: August 6, 2021
By: wyslink_phone
Categories: 传统技术(ISDN)

有多少种类型的CODECS ?

Date: August 11, 2021
By: wyslink_phone
Categories: 传统技术(ISDN)

术语FXO和FXS的含义是什么？

Date: August 11, 2021
By: wyslink_phone
Categories: 传统技术(ISDN)