Associated variants: BICC, ETSI V2, ETSI V3, ITU White, ITU 97
Indicates whether or not a half echo control device is included in the connection.
typedef struct _echoControl /* echo control indicators */
{
ElmtHdr eh; /* element header */
TknU8 outEchoRsp; /* outgoing echo control device response */
TknU8 incEchoRsp; /* incoming echo control device response */
TknU8 outEchoReq; /* outgoing echo control device request */
TknU8 incEchoReq; /* incoming echo control device request */
} SiEchoCtl;
The fields in the SiEchoCtl structure are encoded as follows:
Field |
Value |
outEchoRsp |
Outgoing echo control device response. Defined values: 0x00 = ECHCDEV_NOINFOINCL No information 0x01 = ECHCDEV_NOTINCL Device not included 0x02 = ECHCDEV_INCL Device included |
incEchoRsp |
Incoming echo control device response. Defined values: 0x00 = ECHCDEV_NOINFOINCL No information 0x01 = ECHCDEV_NOTINCL Device not included 0x02 = ECHCDEV_INCL Device included |
outEchoReq |
Outgoing echo control device request. Defined values: 0x00 = ECHCDEV_NOINFOINCL No information 0x01 = ECHCDEV_ACTREQ Device activation request 0x02 = ECHCDEV_DEACTREQ Device deactivation request |
incEchoReq |
Incoming echo control device request. Defined values: 0x00 = ECHCDEV_NOINFOINCL No information 0x01 = ECHCDEV_ACTREQ Device activation request 0x02 = ECHCDEV_DEACTREQ Device deactivation request |
Token |
BICC |
ETSI V2 |
ETSI V3 |
ITU White |
ITU 97 |
outEchoRsp |
* |
* |
* |
* |
* |
incEchoRsp |
* |
* |
* |
* |
* |
outEchoReq |
* |
* |
* |
* |
* |
incEchoReq |
* |
* |
* |
* |
* |