[Hilo] Can SMS be sent during VOICE or GPRS session?

Answer: Hilo supports Mobile Class B, so:
During analog VOICE call, module can send out a SMS which is over GSM. (Please set <AT+CGSMS=1>)
During analog VOICE call, module cannot send out a SMS which is over GPRS. (Please set <AT+CGSMS=0>)
During a GPRS session, module can send out a SMS which is over GSM and GPRS.
During a GPRS session, module can dial or receive a VOICE call.