Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 208 / 231
14 Appendix
14.1. References
Table 6: Related Documents
Table 7: Terms and Abbreviations
SN
Document Name
Remark
[1]
V.25ter
Serial asynchronous automatic dialing and control
[2]
3GPP TS 27.007
Digital cellular telecommunications (Phase 2+);
Universal Mobile Telecommunications System (UMTS);
LTE; AT command set for User Equipment (UE)
[3]
3GPP TS 27.005
Digital cellular telecommunications (Phase 2+);
Universal Mobile Telecommunications System (UMTS);
LTE; Use of Data Terminal Equipment – Data Circuit
terminating Equipment (DTE-DCE) interface for Short
Message Service (SMS) and Cell Broadcast Service
(CBS)
Abbreviation
Description
AMR
Adaptive Multi-Rate
CSD
Circuit Switch Data
DCD
Dynamic Content Delivery
DCE
Data Communication Equipment
DTE
Data Terminal Equipment
DTR
Data Terminal Ready
ECT
Explicit Call Transfer supplementary service