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We get this all the time where for a few hours, we'll get 10-15
calls for people asking for our customers. Since we can't
acknowledge someone is our customer or not, we just let them know
where they reached, and advise them that their long distance carrier
is making a mistake routing the calls.<br>
<br>
(We route our LRNs as RCFs to our NOC on purpose to catch these
issues)<br>
<br>
We're considering setting up an intercept that basically eviscerates
the caller's long distance carrier and lets them know what the issue
is, much like beehive did with Sprint, but ... less angry.<br>
<br>
-Paul<br>
<br>
On 09/13/2011 10:46 AM, Chris Wallace wrote:
<blockquote
cite="mid:98D10208-1F99-4952-AEEE-95C6343D583C@iamchriswallace.com"
type="cite"><span class="Apple-tab-span" style="white-space: pre;">
</span>Has anyone else seen recently a large number of calls
coming into them that do not have the GAP information populated in
the SS7 IAM? We see this issue come up a few times a years and we
become the switchboard for people calling our customers. I know,
I know… why the heck is our LRN the same as our main telephone
number? Sorry, this was someone else decision years ago and we
have lived with the consequences since.
<div><br>
</div>
<div><span class="Apple-tab-span" style="white-space: pre;"> </span>Yesterday
morning it was Comcast, which fixed itself right before lunch
time as I was getting transferred around trying to open a
ticket, this morning it seems to be Verizon wireless. We have
had this issue in the past with MetroPCS and Sprint, they always
identify it as routing changes with phantom trunks, meaning they
are doing LCR and dumping these calls wherever until an issue
comes up. This in turn makes us look bad to our customers
because their customers can't call them.</div>
<div><br>
</div>
<div>How are other people dealing with these issues other than
just constantly opening tickets, etc.?</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>Verizon Call (This morning "Bad")</div>
<div><span class="Apple-style-span" style="color: rgb(51, 51, 51);
font-family: Tahoma,Arial,Helvetica,sans-serif; font-size:
13px; line-height: 18px;">
<p style="font-family: Tahoma,Arial,Helvetica,sans-serif;
font-size: 13px; line-height: 18px;">ISUP message received:</p>
<pre style="background-color: white; padding: 10px 4px; font-size: 0.85em; font-family: 'Courier New',Courier,monospace; position: static; z-index: auto;">---------------------------------------
CIC: 1171
10010011 :CIC LSB(147)
00000100 :CIC MSB(4)
---------------------------------------
---------------------------------------
Message Type: Initial address
00000001 :MESSAGE TYPE(Initial address)
---------------------------------------
---------------------------------------
Nature of Connection Indicator:
......00 :SATELLITE INDICATOR(No Satellite)
....00.. :CONT. CHECK INDICATOR(Cont. Check Not Required)
...1.... :RESERVED(Outgoing Echo Control Included)
000..... :SPARE(0)
---------------------------------------
---------------------------------------
Forward Call Indicators:
.......0 :INCOMING_INTL_CALL(Not an Incoming International Call)
.....00. :END-TO-END METHOD(No End-to-end method available)
....0... :INTERWORKING(No interworking encountered)
...0.... :SPARE1(0)
..1..... :ISUP (ISDN User Part used all the way)
01...... :ISUP PREFERENCE(ISDN User Part not required all the way)
.......0 :ISDN ACCESS(Originating access non-ISDN)
.....00. :SCCP METHOD(No Indication)
....0... :SPARE2(0)
...1.... :PORTED NUMBER TRANSLATION(Number translated)
..0..... :QUERY ON RELEASE(No QoR routing attempt in progress)
00...... :RESERVED(0)
---------------------------------------
---------------------------------------
Calling Party's Category:
00001010 :CALLING PARTY CATEGORY(Ordinary Calling Subscriber)
---------------------------------------
---------------------------------------
Called Number: 239333XXXX
.0000011 :NATURE OF ADDRESS(National Number)
0....... :ODD/EVEN(Even)
....0000 :RESERVED(0)
.001.... :NUMBERING PLAN(ISDN)
0....... :SPARE(0)
---------------------------------------
---------------------------------------
User Service Information:
...00000 :INFORMATION TRANSFER CAPABILITY(0)
.00..... :CODING STANDARD(0)
1....... :EXT1(1)
...10000 :INFORMATION TRANSFER RATE(16)
.00..... :TRANSFER MODE(0)
1....... :EXT2(1)
...00010 :USER INFORMATION LAYER 1(2)
.01..... :LAYER 1 IDENTIFICATION(1)
1....... :EXT3(1)
---------------------------------------
---------------------------------------
OPTIONAL PARAMETERS:
---------------------------------------
---------------------------------------
Calling Number: 860434XXXX
.0000011 :NATURE OF ADDRESS(National Number)
0....... :ODD/EVEN(Even)
......01 :SCREENING(User Provided, screening passed)
....00.. :PRESENTATION(Presentation allowed)
.001.... :NUMBERING PLAN(ISDN)
0....... :SPARE(0)
---------------------------------------
---------------------------------------
Jurisdiction Information: 860434
---------------------------------------
END OF OPTIONAL PARAMETERS
---------------------------------------
HEX DUMP:
9304011060100a03060d038090a20703
1032393300000a0703116840439536c4
0368404300</pre>
</span>
<div><br>
</div>
</div>
<div>Same call yesterday that routed correctly…</div>
<div><span class="Apple-style-span" style="color: rgb(51, 51, 51);
font-family: Tahoma,Arial,Helvetica,sans-serif; font-size:
13px; line-height: 18px;"><br>
</span></div>
<div><span class="Apple-style-span" style="color: rgb(51, 51, 51);
font-family: Tahoma,Arial,Helvetica,sans-serif; font-size:
13px; line-height: 18px;">ISUP message received:</span></div>
<div><span class="Apple-style-span" style="color: rgb(51, 51, 51);
font-family: Tahoma,Arial,Helvetica,sans-serif; font-size:
13px; line-height: 18px;">
<pre style="background-color: white; padding: 10px 4px; font-size: 0.85em; font-family: 'Courier New',Courier,monospace; position: static; z-index: auto;">---------------------------------------
CIC: 1058
00100010 :CIC LSB(34)
00000100 :CIC MSB(4)
---------------------------------------
---------------------------------------
Message Type: Initial address
00000001 :MESSAGE TYPE(Initial address)
---------------------------------------
---------------------------------------
Nature of Connection Indicator:
......00 :SATELLITE INDICATOR(No Satellite)
....00.. :CONT. CHECK INDICATOR(Cont. Check Not Required)
...1.... :RESERVED(Outgoing Echo Control Included)
000..... :SPARE(0)
---------------------------------------
---------------------------------------
Forward Call Indicators:
.......0 :INCOMING_INTL_CALL(Not an Incoming International Call)
.....00. :END-TO-END METHOD(No End-to-end method available)
....0... :INTERWORKING(No interworking encountered)
...0.... :SPARE1(0)
..1..... :ISUP (ISDN User Part used all the way)
01...... :ISUP PREFERENCE(ISDN User Part not required all the way)
.......0 :ISDN ACCESS(Originating access non-ISDN)
.....00. :SCCP METHOD(No Indication)
....0... :SPARE2(0)
...1.... :PORTED NUMBER TRANSLATION(Number translated)
..0..... :QUERY ON RELEASE(No QoR routing attempt in progress)
00...... :RESERVED(0)
---------------------------------------
---------------------------------------
Calling Party's Category:
00001010 :CALLING PARTY CATEGORY(Ordinary Calling Subscriber)
---------------------------------------
---------------------------------------
Called Number: 239333XXXX
.0000011 :NATURE OF ADDRESS(National Number)
0....... :ODD/EVEN(Even)
....0000 :RESERVED(0)
.001.... :NUMBERING PLAN(ISDN)
0....... :SPARE(0)
---------------------------------------
---------------------------------------
User Service Information:
...00000 :INFORMATION TRANSFER CAPABILITY(0)
.00..... :CODING STANDARD(0)
1....... :EXT1(1)
...10000 :INFORMATION TRANSFER RATE(16)
.00..... :TRANSFER MODE(0)
1....... :EXT2(1)
...00010 :USER INFORMATION LAYER 1(2)
.01..... :LAYER 1 IDENTIFICATION(1)
1....... :EXT3(1)
---------------------------------------
---------------------------------------
OPTIONAL PARAMETERS:
---------------------------------------
---------------------------------------
Calling Number: 860434XXXX
.0000011 :NATURE OF ADDRESS(National Number)
0....... :ODD/EVEN(Even)
......01 :SCREENING(User Provided, screening passed)
....00.. :PRESENTATION(Presentation allowed)
.001.... :NUMBERING PLAN(ISDN)
0....... :SPARE(0)
---------------------------------------
---------------------------------------
Optional Parameter:
Type: 199(UNKNOWN)
Length (Bits):8
00100000 :OCTET 0(32 )
---------------------------------------
---------------------------------------
Generic Address: 239325XXXX
11000000 :Type of Address(Ported Number)
.0000011 :NATURE OF ADDRESS(National Number)
0....... :ODD/EVEN(Even)
......00 :RESERVED(0)
....00.. :PRESENTATION(Presentation allowed)
.001.... :NUMBERING PLAN(ISDN)
0....... :SPARE(0)
---------------------------------------
---------------------------------------
Jurisdiction Information: 860434
---------------------------------------
END OF OPTIONAL PARAMETERS
---------------------------------------
HEX DUMP:
2204011060100a03060d038090a20703
1032393300000a0703116840439536c7
0120c008c003103239520500c4036840
4300</pre>
</span>
<div><br>
</div>
</div>
<div><br>
</div>
<div>---Chris</div>
<div><br>
</div>
<div><br>
</div>
<pre wrap="">
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</blockquote>
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