Interpreting Your Results

Your billing software can evaluate certain CDR fields in order to determine which of several possible mailbox transactions occurred. See the CDR Record Field Relationships table below for the values these fields can take. Explanations are abbreviated somewhat, but each field has a cross-reference back to its full table if you need more explanation. Refer to this field relationship table as you follow the examples listed below.

For example, there is a clear relationship between the TIME (call start time) and STIM (call stop time) fields, along with the CDUR (call duration) field. If STIM minus TIME is not equal to CDUR, this suggests either a problem or other user actions on the server. FMBX and TNUM are related when using a tree or chain mailbox; FMBX is the one dialed into, and TNUM is the mailbox transferred to.

The examples in this section show how you can use CDR for your billing application. Refer to each call type and the possible field values for successful and failed calls. Your application should examine these fields when creating bills for your customers.

Useful fields for processing call types are shown in the table below. Other recommended fields are listed within each call type’s section.

CDR Record Field Relationships

CDR Field

CDR Field Abbreviation

(Table 2-1)

C S N

DAT E

T I ME

S T I M

PORT

S Y I D

CDUR

FMB X

TMB X

FNUM

TNUM

M S G

C T

A T

T T

M E

P E

M S

M P

M D

M K

T A

E C

F S

F P

P S

Value	Call Type (Field 13)	Access Type (Field 14)	Termination Type (Field 15)	Error Code (Field 23)
01	Local message delivery	Outside caller	Call completed	Call successfully completed
02	Outgoing NP WakeUp call	Mailbox user	Caller/user hung up	Excess entry attempts
03	Telephone call placement	Mobile DID user	Call failed	Excess passcode attempts
04	This call type no longer used	Outside caller to template mbox	Disconnected by the server	Timeout on waiting for input
05	Paging call	This access type no longer used	Transferred to an extension	Excess bad access code entries
06	This call type no longer used	NP View session over TCP/IP	Transferred to attendant	Destination was busy
07	Outgoing NP Net call	Outside caller to AutoAttendant	Caller/user transferred to E-mail	Destination did not answer
08	Cut-through paging call	Message delivery, non-billed	Message delayed by recipient	Network node does not exist
09	This call type no longer used	Accessed Admin-by-Phone	Tree/chain mbox xfer to mailbox	Mailbox does not exist
10	Incoming NP Net call	This access type no longer used	Caller/user recycled	Invalid telephone number
11	Mailbox Purge	NP Net receipt update		Invalid extension number
12	Incoming direct call	Name broadcast		Message rejected by destination
13	Incoming direct call-no passcode	Greeting broadcast		Mailbox in use when user called
14	Incoming call-forwarded	Passcode broadcast		Could not transfer to extension
15	Incoming busy-forwarded	Message delivery, billed		Could not transfer to attendant
16	Incoming no answer-forwarded	This access type no longer used		Could not transfer to E-mail
17	Incoming indirect	This access type no longer used		Access (to mailbox) denied
18	Outgoing NP Net call setup	This access type no longer used		This error code no longer used
19	Incoming NP Net call setup	This access type no longer used		This error code no longer used
20	This call type no longer used	This access type no longer used		Time limit reached
21	This call type no longer used	This access type no longer used		Message is bad or does not exist
22	Outgoing NP Net disconnect	This access type no longer used		Destination mailbox is full
23	Incoming NP Net disconnect			This error code no longer used
24	This call type no longer used
25	This call type no longer used
26	This call type no longer used
27	NuPoint Voice resource access
28	NP View network access
40		NP OnDemand

Abbreviations: xfer=transfer mbox = mailbox VM=NuPoint Voice

Useful Fields for Processing All Call Types
CDR Field	Field #	CDR Field Description
CSN	1	Call sequence number
DATE	2	Call start date
TIME	3	Call start time
STIM	4	Call stop time
PORT	5	Port number (module and line)
CDUR	7	Call duration
CT	13	Call type
AT	14	Access type
TT	15	Termination type
EC	23	Error code

Each call type has a table of values for successful completion or failure to complete the call. In most cases, the access type, termination type, and error code always contain the same values, regardless of the call type. These values are listed here:

Standard Field Values for Most Call Types
CDR Field, #	Success	Failure
AT (14)	08 (delivery)	08 (delivery)
TT (15)	01 (success)	03 (failure)
EC (23)	01 (no error)	*varies*

If a call type generates different values than listed in this table, these values are shown in bold type. Error code values for call failure vary with the call type, so check each call type’s table for a list of expected error code values.

Example of CDR Results

Here is a sample call.

An outside caller reached chain/tree mailbox 2000, then logged into mailbox 2001, made a message, logged out of mailbox 2001, then pressed a key to recycle to another NuPoint Voice session. The resulting CDR output is shown here:

275284 071892 025236 025422 0401 0000 0106 00000000000 00000002000 00000000000 00000002001 0000000 17 02 09 00 00 00 00 00 00 00 01 00 00 00

275285 071892 025423 025830 0401 0000 0247 00000002000 00000002001 00000000000 00000000000 0622073 17 02 10 00 00 01 00 00 00 00 01 00 00 00

The bold type shows Call Type 17 (Incoming), with Access Type 02 (Mailbox User), Termination Types 09 (Tree/chain mailbox transfer) and 10 (Recycle).

In addition, the first record shows no FMBX (outside caller), a TMBX of 2000 and a TNUM of 2001. The second record shows a FMBX of 2000 and a TMBX of 2001, indicating that the caller accessed 2001 through a chain or tree (2000).