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$%$ ISDN "c" file $%$
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/* ISDN layer 3 msg parameter- cause- */
/* Feberuary 11, 1985 */
char *cocausemsg[0x65] = {
/* LOCUSER */ "User side",
/* LOCPNET */ "Local private network",
/* LOCLNET */ "Local network",
/* LOCTNET */ "Transit network",
/* LOCRNET */ "Remote local network",
/* LOCRPNET*/ "Remote private network",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* ABANDON */ "Call abandoned",
/* ORIFRAUD*/ "Invalid calling directory number",
/* NORMTR */ "Normal call termination",
/* USERBUSY*/ "User busy",
/* NORESPON*/ "No user responding",
/* WAITDEST*/ "This call waiting at destination",
/* CIROPER */ "Circuit operational",
/* CALLREJ */ "Call rejected",
/* NUMCHANG*/ "Destination number changed",
/* RCHARREJ*/ "Reverse charging rejected",
/* CALLSUSP*/ "Call suspend",
/* CALLRESU*/ "Call resumed",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* MSGOUT */ "Messages out-of-sync",
/* RESFAIL */ "Line restriction fails",
/* SPARE */ "",
/* CIROUT */ "Circuit out-of-order",
/* NOCHANN */ "No channel available",
/* NODESTOB*/ "Destination not obtainable",
/* DESTOUT */ "Destination out of order",
/* DEGRADE */ "Degraded service(excessive error rate)",
/* TNETOUT */ "Transit network out of order",
/* TDELAY */ "Transit delay range cannot be achieved",
/* THROUPUT*/ "Throughput range cannot be achieved",
/* NETFAIL */ "Network failure",
/* NETCONG */ "Network congestion",
/* INFODIS */ "User info discarded locally",
/* CHANOTCO*/ "Incompatible channel id",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* NOVERLAP*/ "Overlap sending not allowed",
/* NOFACISU*/ "Requested facility not subscribed",
/* NOREVERS*/ "Reverse charging not allowed",
/* OUTBARRE*/ "Outgoing calls barred",
/* OUTBACUG*/ "Outgoing calls barred with CUG",
/* INBARRE */ "Incoming calls barred",
/* INBACUG */ "Incoming calls barred with CUG",
/* NOWAITSU*/ "Call waiting not subscribed",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* NOBEARER*/ "Bearer capability not implemented",
/* NOCHTYPE*/ "Channel type not implemented",
/* NOTRANSI*/ "Transit network selection not implement",
/* NOMESSIM*/ "Message not implemented",
/* NOFACIRE*/ "Requested facility not implemented",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* NOCREF */ "No call reference available",
/* INVACREF*/ "Invalid call reference value",
/* NOCHANID*/ "Identified channel does not exist",
/* NOCALLID*/ "Call identity does not exist",
/* CALLIDUS*/ "Call identity in use",
/* INVDIGIT*/ "Invalid digit value for number",
/* NOCUGID */ "Non-existent closed user group",
/* NODESTCU*/ "Destination address not member of CUG",
/* INCOMDET*/ "Incompatible destination",
/* NOABBRE */ "Non-existent abbreviated address entry",
/* DESTMISS*/ "Destination address( direct call )misssing",
/* TRANSNEX*/ "Transit network does not exist",
/* IFACIPAR*/ "Invalid facility parameter",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* SPARE */ "",
/* NOMESSTY*/ "Message type non-existent or not implement",
/* MESSCLST*/ "Message not compatible with call state",
/* NOINFELE*/ "Information element non-existent",
/* INELECON*/ "Invalid information element contents"
.c
#include "ctsk.h"
#include "co.dbse.h"
#define VINIT 0 /* verbose initially off */
sq}@~
int msgdelay = 1; /* 1 means no delay */
int msgerrors = 1; /* 1 means no errors */
int cocpvrb = VINIT;
int col3vrb = VINIT;
int col2avrb = VINIT;
int col2bvrb = VINIT;
int col1a1vrb = VINIT;
int col1a2vrb = VINIT;
int col1b1vrb = VINIT;
int acctme = 0;
int acctca = 0;
int acctcc = 0;
int acctcp = 0;
int acctl3 = 0;
int acctl2 = 0;
int acctl1 = 0;
/************************/
/* */
/* CENTRAL OFFICE */
/* */
/************************/
cocon(){
char *p,bfr[BLEN];
int i,j,k,len;
/* clear the screen */
fprintf(COCON,"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
fprintf(COCON,"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
fprintf(COCON,"****************************************\n");
fprintf(COCON,"****************************************\n");
fprintf(COCON,"** **\n");
fprintf(COCON,"** ISDN Technology Transfer Package **\n");
fprintf(COCON,"** Copyright 1985 **\n");
fprintf(COCON,"** Bell Communications Research, Inc. **\n");
fprintf(COCON,"** **\n");
fprintf(COCON,"****************************************\n");
fprintf(COCON,"****************************************\n\n");
fprintf(COCON,"****************************************\n");
fprintf(COCON,"****************************************\n");
fprintf(COCON,"** **\n");
fprintf(COCON,"** ISDN Exchange Emulation **\n");
fprintf(COCON,"** **\n");
fprintf(COCON,"****************************************\n");
fprintf(COCON,"****************************************\n\n");
while(1){
if(len=string(IPCTTY,BLEN,p=bfr)){
if(sscanf(&p,"*stat*")){
fprintf(COCON,"Call Attmpts %6d\n",acctca);
fprintf(COCON,"Call Cmpltns %6d\n\n",acctcc);
fprintf(COCON,"L1 Sent/Rcvd %6d\n",acctl1);
fprintf(COCON,"Link Failure %6d\n\n",acctme);
fprintf(COCON,"L2 Processed %6d\n",acctl2);
fprintf(COCON,"L3 Processed %6d\n",acctl3);
fprintf(COCON,"CP Processed %6d\n",acctcp);
fprintf(COCON,"All L2+L3+CP %6d\n\n",acctl2+acctl3+cctcp);
if(sscanf(&p,"*clr*")){
acctme = 0;
acctca = 0;
acctcc = 0;
acctcp = 0;
acctcp = 0;
acctl3 = 0;
acctl2 = 0;
acctl1 = 0;
fprintf(COCON,"Cleared\n");
}
}
else if(sscanf(&p,"*vrb*")){
cocpvrb = 0;
col3vrb = 0;
col2avrb = 0;
col2bvrb = 0;
col1a1vrb = 0;
col1a2vrb = 0;
col1b1vrb = 0;
while(*p){
if(sscanf(&p,"*cp*"))
cocpvrb = 1;
else if(sscanf(&p,"*l3*"))
col3vrb = 1;
else if(sscanf(&p,"*l2*"))
col2avrb=col2bvrb = 1;
else if(sscanf(&p,"*l1*"))
col1a1vrb=col1a2vrb=col1b1vrb=1;
else
while((*p)&&(*p!=' '))
++p;
}
}
else if(sscanf(&p,"*delay*",&i)){
if(sscanf(&p,"*on*",&i))
msgdelay = 0;
else if(sscanf(&p,"*off*",&i))
msgdelay = 1;
if(msgdelay == 0)
fprintf(COCON,"Line delay on\n\n");
else
fprintf(COCON,"Line delay off\n\n");
}
else if(sscanf(&p,"*err*",&i)){
if(sscanf(&p,"*on*",&i))
msgerrors = 0;
else if(sscanf(&p,"*off*",&i))
msgerrors = 1;
if(msgerrors == 0)
fprintf(COCON,"Line errors on\n\n");
else
fprintf(COCON,"Line errors off\n\n");
}
/* print out stack area sizes for all process id */
else if(sscanf(&p,"*stk*",&i)){
dmpstk(COCON);
}
/* send a message to the MSP */
else if(sscanf(&p,"*msp*",&i)){
fprintf(COPRPH,"%s",p);
}
else if(sscanf(&p,"*admin*",&i)){
fprintf(COPRPH,"AD START",p);
fprintf(COPRPH,"AD CHTG",p);
fprintf(COPRPH,"AD GLOC",p);
fprintf(COPRPH,"AD 0050",p);
fprintf(COPRPH,"AD DEL",p);
fprintf(COPRPH,"AD WNKI",p);
fprintf(COPRPH,"AD",p);
fprintf(COPRPH,"AD CHTG",p);
fprintf(COPRPH,"AD GLOC",p);
fprintf(COPRPH,"AD 0050",p);
fprintf(COPRPH,"AD DEL",p);
fprintf(COPRPH,"AD WNKO",p);
fprintf(COPRPH,"AD",p);
fprintf(COPRPH,"AD END",p);
}
/* printout the call records */
else if(sscanf(&p,"*cr*",&i)){
if(sscanf(&p,"%d*",&i))
dpcallrec(i);
else{
if(ncallrecs)
for(i=0;i<ncallrecs;++i)
dpcallrec(sort[i]);
else
fprintf(COCON,"No calls\n");
}
fprintf(COCON,"\n");
}
/* print out the directory records */
else if(sscanf(&p,"*dr*",&i)){
if(sscanf(&p,"%d*",&i))
dpdnrec(i);
else{
if(ndnrecs)
for(i=0;i<ndnrecs;++i)
dpdnrec(i);
else
fprintf(COCON,"No directory numbers\n");
}
fprintf(COCON,"\n");
}
/* print out the line records */
else if(sscanf(&p,"*lr*",&i)){
if(sscanf(&p,"%d*",&i))
dplinerec(i);
else{
if(nlinerecs)
for(i=0;i<nlinerecs;++i)
dplinerec(i);
else
fprintf(COCON,"No lines\n");
}
fprintf(COCON,"\n");
}
/* print out the MSP port records */
else if(sscanf(&p,"*pr*",&i)){
for(i=0;i<nportrecs;++i){
fprintf(COCON,"(M%d,",portrec[i].module);
fprintf(COCON,"L%d,",portrec[i].line);
fprintf(COCON,"B%d)",portrec[i].bch);
fprintf(COCON,"[%04x]\n",portrec[i].port);
}
fprintf(COCON,"\n");
}
/* print out the suspended records */
else if(sscanf(&p,"*sr*",&i)){
if(sscanf(&p,"%d*",&i))
dpsuscall(i);
else{
if(nsuscalls)
for(i=0;i<nsuscalls;++i)
dpsuscall(i);
else
fprintf(COCON,"No suspended calls\n");
}
fprintf(COCON,"\n");
}
else if(sscanf(&p,"*hlp*",&i)){
fprintf(COCON,"Command syntax:\n");
fprintf(COCON," cr [#]\n");
fprintf(COCON," dr [#]\n");
fprintf(COCON," sr [#]\n");
fprintf(COCON," lr [#]\n");
fprintf(COCON," pr\n");
fprintf(COCON," msp cmnd\n");
fprintf(COCON," stk\n");
fprintf(COCON," err [on/off]\n");
fprintf(COCON," delay [on/off]\n");
fprintf(COCON,"\n");
}
else
fprintf(COCON,"???\n");
}
sleep();
}
#include "verbose.h"
#if VRBCP
#define LX if(cocpvrb){
#define RX }
#else
#define LX /X*
#define RX *X/
#define X
#endif
#include "ctsk.h"
#include "co.dbse.h"
#include "co.fcns.h"
extern int cocpvrb;
#define NOBCH -1
#define NTANYCH -2
/* MSG DEF BETWEEN L3 AND CALL PROCESSOR */
#define NTSETUP 0x01 /* Network SETUP */
#define NTALERT 0x02 /* Network ALERTING */
#define NTCONNE 0x03 /* Network CONNECT */
#define NTCONACK 0x04 /* Network CONNECT ACK */
#define NTRLCOMP 0x05 /* Network RELEASE COMP*/
#define NTCLEAR 0x06 /* Network CLEAR */
#define NTRELEASE 0x07 /* Network RELEASE */
#define NTDETACH 0x08 /* Network DETACH */
#define NTSUSPEN 0x09 /* Network SUSPEND */
#define NTSUSACK 0x0a /* Network SUSPEND ACK */
#define NTSUSREJ 0x0b /* Network SUSPEND REJ */
#define NTRESUME 0x0c /* Network RESUME */
#define NTRESACK 0x0d /* Network RESUME ACK */
#define NTRESREJ 0x0e /* Network RESUME REJ */
#define NTUSINFO 0x0f /* Network USERINFO */
#define NTSTATUS 0x10 /* Network STATUS */
#define NTFACI 0x11 /* Network FACILITY */
#define NTFACIAK 0x12 /* Network FACILITY ACK*/
#define NTFACIRJ 0x13 /* Network FACILITY REJ*/
/* CAUSE FOR TERMINATION */
#define LOCUSER 0x00 /* user side */
#define LOCLNET 0x02 /* location at local network */
#define NORMTR 0x10 /* normal call termination */
#define NODESTOB 0x23 /* no dir number exists */
#define NETCONG 0x2a /* database is full */
#define NOCREF 0x50 /* no callref available */
#define IFACIPAR 0x5c /* invalid facility parameter */
#define ORIFRAUD 0x0f /* security check fails */
#define RESFAIL 0x1f /* restriction code fails on outgoing calls */
/* MSG DEF BETWEEN CALL PROCESSOR AND MSP */
#define MSP_DISC 0x00 /* disconnect message to MSP */
#define MSP_CONN 0x01 /* connect message to MSP */
/* STATE DEF FOR CALL PROCESSOR */
#define NULL 0x00 /* NULL STATE */
#define SETUP 0x01 /* SETUP STATE */
#define ALERT 0x02 /* ALERT STATE */
#define CONNECT 0x03 /* CONNECT STATE */
#define CLEAR 0x04 /* CLEAR STATE */
#define FINAL 0x05 /* FINAL STATE */
#define SUSPEND 0x06 /* SUSPEND STATE */
char *cpstname[7] = {
"NULL ",
"SETUP ",
"ALERT ",
"CONNECT",
"CLEAR ",
"FINAL ",
"SUSPEND"};
char *l3msgname[20]= {
"","SETUP","ALERT","CONNECT",
"CONNECT ACK","RELEASE COMP","CLEAR","RELEASE","DETACH",
"SUSPEND","SUSPEND ACK","SUSPEND REJ","RESUME",
"RESUME ACK","RESUME REJ","USERINFO","STATUS",
"FACILITY","FACILITY ACK","FACILITY REJ"};
char *mspmsgname[2]={
"DISCONNECT","CONNECT"};
send_l3(cm,i,l,ca,u)
int i;
char cm,l,ca,*u;
{
char *p;
struct{
char cmnd;
int index;
char location;
char causeval;
char usinform[128];
}
msg;
msg.cmnd= cm;
msg.index= i;
msg.location= l;
msg.causeval= ca;
p= msg.usinform;
while(*p++ = *u++);
put(COL3,sizeof(msg),&msg);
LX fprintf(COCON,"%s indication to ",l3msgname[msg.cmnd]); RX
LX fprintf(COCON,"L3 [%d]\n",i); RX
}
send_msp(c,i,j)
int i,j;
char c;
{
struct{
char cmnd;
int module[2];
int line[2];
int bch[2];
int type;
}
msg;
msg.cmnd=c;
msg.module[0] = callrec[i].module;
msg.module[1] = callrec[j].module;
msg.line[0] = callrec[i].line;
msg.line[1] = callrec[j].line;
msg.bch[0] = callrec[i].bch;
msg.bch[1] = callrec[j].bch;
msg.type = callrec[i].bcap[1]&0x1f;
put(COPRPH,sizeof(msg),&msg);
LX fprintf(COCON,"%s indication to MSP\n",mspmsgname[msg.cmnd]); RX
}
#define TEION 0
cocp(){
int i,j,k,x,len;
int bfr[BLEN];
struct{
char cmnd;
int index;
char loca;
char caus;
char usinf[128];
}
l3msg;
while(1){
while(len=get(COL3,sizeof(l3msg),&l3msg)){
LX fprintf(COCON,"CP: "); RX
LX dpcallrec(l3msg.index); RX
LX fprintf(COCON,"STATE: %s\n",cpstname[callrec[l3msg.index].cpstate]); RX
switch(callrec[i=l3msg.index].cpstate){
case NULL:
switch(l3msg.cmnd){
case NTSETUP:
LX fprintf(COCON,"SETUP request from L3\n"); RX
if(!sec_check(i)){ /* security check on the calling directory number */
LX fprintf(COCON,"Security validation fails ("); RX
LX fprintf(COCON,"M%d,",callrec[i].module); RX
LX fprintf(COCON,"L%d,",callrec[i].line); RX
LX fprintf(COCON,"T%d,",callrec[i].tei); RX
LX fprintf(COCON,"S%d,",callrec[i].sapi); RX
LX fprintf(COCON,"%s)\n",callrec[i].dn); RX
send_l3(NTRELEASE,i,LOCLNET,ORIFRAUD,"");
callrec[i].cpstate=FINAL;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
}
LX fprintf(COCON,"Calling dn: %s is validated\n",callrec[i].dn); RX
switch(j=link(i)){
case DB_FULL:
send_l3(NTRELEASE,i,LOCLNET,NETCONG,"");
callrec[i].cpstate=FINAL;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
case NO_CREF:
send_l3(NTRELEASE,i,LOCLNET,NOCREF,"");
callrec[i].cpstate=FINAL;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
case NO_DIR:
send_l3(NTRELEASE,i,LOCLNET,NODESTOB,"");
callrec[i].cpstate=FINAL;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
case LINE_RES:
send_l3(NTRELEASE,i,LOCLNET,RESFAIL,"");
callrec[i].cpstate=FINAL;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
default:
if(callrec[i].bch == NOBCH)
callrec[j].bch = NOBCH;
send_l3(NTSETUP,j,l3msg.loca,l3msg.caus,l3msg.usinf);
callrec[i].cpstate=callrec[j].cpstate=SETUP;
LX fprintf(COCON,"NEXT STATE: SETUP\n\n"); RX
break;
} /* end of the switch on j */
break; /* end of case NTSETUP */
case NTFACI:
LX fprintf(COCON,"FACILITY request from L3\n"); RX
LX fprintf(COCON,"Passwd Check: %s\n",&l3msg.usinf[1]); RX
if((j=lopasswd(callrec[i].dn,callrec[i].sapi,&l3msg.usinf[1])) >= 0){
LX fprintf(COCON,"Password validation succeeds\n",i); RX
dnrec[j].module=callrec[i].module;
dnrec[j].line=callrec[i].line;
if(dnrec[j].tei != 127)
dnrec[j].tei=callrec[i].tei;
dnrec[j].rscode=l3msg.usinf[0];
send_l3(NTFACIAK,i,NULL,NULL,"");
LX fprintf(COCON,"NEXT STATE: NULL\n\n"); RX
break;
}
LX fprintf(COCON,"WARNING: Password validation fails\n",i); RX
send_l3(NTFACIRJ,i,LOCUSER,IFACIPAR,"");
LX fprintf(COCON,"NEXT STATE: NULL\n\n"); RX
break; /* end of case NTFACI */
case NTRLCOMP:
LX fprintf(COCON,"RELEASE COMP request from L3\n"); RX
if((j=callrec[i].link) != IDLE){
if(callrec[j].link==i){
send_l3(NTRELEASE,j,l3msg.loca,l3msg.caus,l3msg.usinf);
callrec[j].link= IDLE;
callrec[j].cpstate=FINAL;
}
}
callrec[i].cpstate = NULL;
callrec[i].link = IDLE;
LX fprintf(COCON,"NEXT STATE: NULL\n"); RX
delete(i);
LX fprintf(COCON,"Deallocate Call Record (%d)\n\n",i); RX
break;
case NTALERT:
LX fprintf(COCON,"ALERT request from L3\n"); RX
if((j=search_callrec(callrec[i].module,callrec[i].line,callrec[i].sapi,callrec[i].callref,127,TEION))>=0){
j = sort[j];
callrec[i].bch=callrec[j].bch;
for(k=0;k<=(callrec[j].bcap[0]&255);++k)
callrec[i].bcap[k]=callrec[j].bcap[k];
for(k=0;k<=(callrec[j].lowcomp[0]&255);++k)
callrec[i].lowcomp[k]=callrec[j].lowcomp[k];
for(k=0;k<NUM_DIG;k++){
callrec[i].lnkdn[k]=callrec[j].lnkdn[k];
callrec[i].dn[k]=callrec[j].dn[k];
}
k=callrec[i].link=callrec[j].link;
if(callrec[j].cpstate == SETUP){
send_l3(NTALERT,k,l3msg.loca,l3msg.caus,l3msg.usinf);
callrec[k].cpstate=callrec[j].cpstate=ALERT;
}
callrec[i].cpstate=ALERT;
LX fprintf(COCON,"NEXT STATE: ALERT\n\n"); RX
break;
}
send_l3(NTRELEASE,i,LOCLNET,NORMTR,"");
callrec[i].cpstate=FINAL;
callrec[i].link = IDLE;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
case NTCONNE:
LX fprintf(COCON,"CONNECT request from L3\n"); RX
if((j=search_callrec(callrec[i].module,callrec[i].line,callrec[i].sapi,callrec[i].callref,127,TEION))>=0){
callrec[i].bch=callrec[j=sort[j]].bch;
for(k=0;k<=(callrec[j].bcap[0]&255);++k)
callrec[i].bcap[k]=callrec[j].bcap[k];
for(k=0;k<=(callrec[j].lowcomp[0]&255);++k)
callrec[i].lowcomp[k]=callrec[j].lowcomp[k];
for(k=0;k<NUM_DIG;k++){
callrec[i].lnkdn[k]=callrec[j].lnkdn[k];
callrec[i].dn[k]=callrec[j].dn[k];
}
k=callrec[i].link=callrec[j].link;
callrec[k].link = i;
send_l3(NTCONACK,i,l3msg.loca,l3msg.caus,l3msg.usinf);
send_l3(NTCONNE,k,l3msg.loca,l3msg.caus,l3msg.usinf);
if(callrec[i].bch != NOBCH)
send_msp(MSP_CONN,i,j);
delete(j);
LX fprintf(COCON,"Deallocate Call Record (%d)\n",j); RX
callrec[i].cpstate=callrec[k].cpstate=CONNECT;
LX fprintf(COCON,"NEXT STATE: CONNECT\n\n"); RX
break;
}
send_l3(NTRELEASE,i,LOCLNET,NORMTR,l3msg.usinf);
callrec[i].cpstate=FINAL;
callrec[i].link = IDLE;
LX fprintf(COCON,"NEXT STATE: FINAL\n\n"); RX
break;
default:
fprintf(COCON,"ERROR: Unexpected %s msg from L3 (ignored)\n\n",l3msgname[l3msg.cmnd]);
break;
} /* end of the switch on l3msg.cmnd */
break; /* end of case NULL */
case SETUP:
switch(l3msg.cmnd){
case NTCONNE:
LX fprintf(COCON,"CONNECT request from L3\n"); RX
send_l3(NTCONACK,i,l3msg.loca,l3msg.caus,l3msg.usinf);
send_l3(NTCONNE,j=callrec[i].link,l3msg.loca,l3msg.caus,l3msg.usinf);
callrec[j].link = i;
if(callrec[i].bch != NOBCH)
send_msp(MSP_CONN,i,j);
for(j=0;j<127;++j)
if(j!=callrec[i].tei)
if((k=search_callrec(callrec[i].module,callrec[i].line,callrec[i].sapi,callrec[i].callref,j,TEION))>=0){
send_l3(NTRELEASE,k=sort[k],LOCLNET,NORMTR,l3msg.usinf);
callrec[k].cpstate=FINAL;