pstn

abbr.

position 情况，状况，境况；

权威例句

PSTN architecture for video-on-demand services
The Structure Design and Implementation of AAL-2 CID channel assign for PSTN call control in VoATM service plane
Control and management in next-generation networks: challenges and opportunities
SIP-enabled switching systems
NEXUS: An Extensible File Format for Systematic Information
A Single Gene Product, Claudin-1 or -2, Reconstitutes Tight Junction Strands and Recruits Occludin in Fibroblasts
Where Mathematics meets the Internet
SIP标准中的核心技术与研究进展
Environment and Policy Factors Shaping Global E-Commerce Diffusion: A Cross-Country Comparison
An Architecture for Residential Internet Telephony Service