after which packageid spoc 0 u00d7 800b package id needs to be registered with iana description this package defines new properties for h 248 poc interworking when floor control is not managed by the mgc poc version propertyid pocver 0 u00d7 0001 description this property indicates the highest version poc supported type enueration characteristics read defined in terminationstate descriptor possible values the poc version may be specified as u201c poc1 u201d 0 u00d7 0000 u201c poc2 u201d 0 u00d7 0001 default value is u201c poc2 u201d poc server role propertyid psrole 0 u00d7 0002 description this property indicates if poc server is participating controlling or both type enumeration characteristics read defined in terminationstate descriptor possible values the poc server role property may be specified as u201c ct u201d 0 u00d7 0000 controlling u201c pt u201d 0 u00d7 0001 participating default value u201c ct u201d controlling early media buffer size propertyid embuf 0 u00d7 0003 description this property indicates the maximum buffer size for an early media call type integer characteristics read defined in terminationstate descriptor possible values the early media buffer size property can be any value between 0 and 500 seconds value of 0 implicitly indicates a late media call call initiator sip uri propertyid sipuri 0 u00d7 0004 description the value of the sipuri property is the sip uri of the initiating ue corresponding to the termination which is sent as the talker identity in the cname of floor taken rtcp app message when the floor is granted implicitly to the inviting ue type string characteristics read defined in terminationstate descriptor possible values sip uri of the ue corresponding to this termination floor control mechanism propertyid.