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/*
 * Mobius Software LTD
 * Copyright 2019, Mobius Software LTD and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 */
package org.restcomm.protocols.ss7.commonapp.api.callhandling;

import com.mobius.software.telco.protocols.ss7.asn.ASNClass;
import com.mobius.software.telco.protocols.ss7.asn.annotations.ASNTag;

import io.netty.buffer.ByteBuf;

/**
 *
 CallReferenceNumber ::= OCTET STRING (SIZE (1..8))
 *
 * The use of this parameter and the conditions for its presence are specified in 3GPP TS 23.078 [98] and 3GPP TS 23.079 [99].
 *
 * This parameter gives the call reference number assigned to the call by the CCF. For encoding see GSM 09.02 [20].
 *
 * The CRN is an octet string with variable length between one and eight octets. An MSC uses an internal counter to generate the
 * CRN. Each CRN that is generated in an MSC is unique within that MSC. For every call that is established in an MSC, a CRN is
 * generated by that MSC. The CRN is strictly associated with the MSC that allocates the CRN.
 *
 *
 *
 * @author sergey vetyutnev
 * @author yulianoifa
 *
 */
@ASNTag(asnClass=ASNClass.UNIVERSAL,tag=4,constructed=false,lengthIndefinite=false)
public interface CallReferenceNumber {

    ByteBuf getValue();

}