属性
数据类型ID
必须?Optional
长度Min 0 / Max 3
Codes (24)
- AACircuit switching
- ABSITA
- ACARINC
- ADCourier
- CACable address
- EIEDI transmission
- EMElectronic mail
- EXExtension
- FTFile transfer access method
- FXTelefax
- GMGEIS (General Electric Information Service) mailbox
- IEIBM information exchange
- IMInternal mail
- MAMail
- PBPostbox no.
- PSPacket switching
- SWS.W.I.F.T.
- TETelephone
- TGTelegraph
- TLTelex
- TMTelemail
- TTTeletext
- TXTWX
- XFX.400