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Problemas configuração E1 da Oi

Bom dia pessoal,

estou com um problema na minha telefonia desde que eu migrei meus equipamentos para equipamentos da Cisco. Estou utilizando dois roteadores 2921 com uma E1 cada, e algumas das minhas ligações estão falhando. Ao tentar efetuar uma ligação o telefone fica mudo, não toca e depois de um minuto cai a ligação.

Eu tentei suporte da Cisco e eles fizeram eu fazer upgrade do IOS mas não resolveu o problema. Também disseram que foi alocado mais recurso do que tinha disponivel, então foi redimensionado os recursos no roteador mas o problema persiste.

Também conversei com uma empresa que presta suporte mas eles não souberam identificar o problema (Eles são dos EUA e não conhecem nada de telefonia no Brasil), estou ficando sem opções então quem conseguir me ajudar eu agradeço muito.

No momento estou tentando contato com a Oi para me conseguir todas as informações de configuração possiveis, tanto o suporte da Cisco quanto o meu outro suporte disse que deve ser uma falha na configuração da controladora E1 nos roteadores. Nos logs a unica informação que eu vejo é:

Cisco Log Error:  000177: *Sep 26 13:03:36.908: hwic_t1e1_wic_bp_disconnect: disconnect failed

000178: *Sep 26 13:07:06.205: %FLEXDSPRM-3-TDM_CONNECT: failed to connect voice-port (0/0/0) to dsp_channel(0/0/7)

Quem puder rever minhas configurações e falar o que está errado... segue abaixo meu show run:

voice-card 0

dsp services dspfarm

!

!

!

voice service voip

allow-connections h323 to h323

allow-connections h323 to sip

allow-connections sip to h323

allow-connections sip to sip

fax protocol t38 nse force version 0 ls-redundancy 0 hs-redundancy 0 fallback none

sip

  bind control source-interface Loopback2

  bind media source-interface Loopback2

  header-passing

  midcall-signaling passthru

!

voice class codec 1

codec preference 1 g711ulaw

codec preference 2 isac mode independent bit-rate 32000 framesize 30

codec preference 3 g729r8

!

!

!

!

voice translation-rule 1

rule 1 /.+\(....\)/ /\1/

!

voice translation-rule 2

rule 1 // /1000/

!

voice translation-rule 4

rule 1 /10001000/ /1000/

!

voice translation-rule 5

rule 1 /10001000/ /1000/

!

voice translation-rule 8

rule 1 // //

!

voice translation-rule 10

rule 1 // //

!

voice translation-rule 11

rule 1 // //

!

voice translation-rule 12

rule 1 // //

!

voice translation-rule 81

rule 1 // //

!

voice translation-rule 101

rule 1 // //

!

voice translation-rule 104

rule 1 // //

!

voice translation-rule 111

rule 1 // //

!

voice translation-rule 115

rule 1 // //

!

voice translation-rule 121

rule 1 // //

!

voice translation-rule 911

rule 1 // //

!

voice translation-rule 9111

rule 1 // //

!

!

voice translation-profile 10

translate calling 101

translate called 10

!

voice translation-profile 1000

translate called 2

!

voice translation-profile 11

translate calling 111

translate called 11

!

voice translation-profile 12

translate calling 121

translate called 12

!

voice translation-profile 4

translate calling 104

translate called 4

!

voice translation-profile 5

translate calling 105

translate called 5

!

voice translation-profile 8

translate calling 81

translate called 8

!

voice translation-profile 911

translate calling 9111

translate called 911

!

voice translation-profile strip

translate called 1

!

controller E1 0/0/0

framing NO-CRC4

line-termination 75-ohm

ds0-group 0 timeslots 1-15,17-31 type r2-digital r2-compelled ani

cas-custom 0

  country brazil use-defaults

  metering

  category 2

  answer-signal group-b 1

  trunk-group R2

!

controller E1 0/0/1

clock source internal

pri-group timeslots 1-31

!

voice-port 0/0/0:0

translation-profile incoming strip

!

voice-port 0/0/1:15

translation-profile incoming 1000

!

!

sccp local Loopback2

sccp ccm 172.22.80.164 identifier 3 version 7.0

sccp ccm 10.10.214.10 identifier 2 version 7.0

sccp ccm 10.10.215.10 identifier 1 version 7.0

sccp ip precedence 3

sccp

!

sccp ccm group 1

bind interface Loopback2

associate ccm 2 priority 1

associate profile 3 register BRSP01-CONF

associate profile 2 register BRSP01-XCODE

associate profile 1 register BRSP01-MTP

registration timeout 180

keepalive timeout 180

connect retries 10

connect interval 3600

switchback method graceful

!

dspfarm profile 2 transcode universal

codec g729r8

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

maximum sessions 20

associate application SCCP

!

dspfarm profile 3 conference

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec g729r8

codec g729br8

maximum sessions 2

associate application SCCP

!

dspfarm profile 1 mtp

codec isac

maximum sessions software 100

associate application SCCP

!

dial-peer voice 1 pots

incoming called-number .

direct-inward-dial

!

dial-peer voice 2 voip

preference 3

destination-pattern 1[0,4][0-4].$

session protocol sipv2

session target ipv4:10.10.215.10

incoming called-number .

voice-class codec 1

dtmf-relay rtp-nte

no vad

!

dial-peer voice 3 voip

preference 1

destination-pattern 1[0,4][0-4].$

session protocol sipv2

session target ipv4:10.10.214.10

voice-class codec 1

dtmf-relay rtp-nte

no vad

!

dial-peer voice 911 pots

translation-profile outgoing 911

destination-pattern 1..$

forward-digits 3

!

dial-peer voice 9111 pots

translation-profile outgoing 911

destination-pattern 91..$

forward-digits 3

!

dial-peer voice 8 pots

translation-profile outgoing 8

destination-pattern 9[2-5].......$

forward-digits 8

no resource guarantee

!

dial-peer voice 10 pots

translation-profile outgoing 10

destination-pattern 90[1-9][1-9]........$

prefix 031

!

dial-peer voice 11 pots

translation-profile outgoing 11

destination-pattern 90[1-9][1-9][6-9]........

port 0/0/1:15

prefix 031

!

dial-peer voice 12 pots

translation-profile outgoing 12

destination-pattern 900T

prefix 0031

!

dial-peer voice 9 pots

translation-profile outgoing 8

destination-pattern 9[6-9].......

port 0/0/1:15

!

dial-peer voice 13 pots

translation-profile outgoing 10

destination-pattern 90800T

prefix 0800

!

dial-peer voice 14 pots

translation-profile outgoing 10

destination-pattern 90300.......

prefix 0300

!

dial-peer voice 4 voip

translation-profile outgoing 4

preference 3

destination-pattern 10001000$

session protocol sipv2

session target ipv4:10.10.215.10

incoming called-number .

voice-class codec 1

dtmf-relay rtp-nte

no vad

!

dial-peer voice 5 voip

translation-profile outgoing 5

preference 1

destination-pattern 10001000$

session protocol sipv2

session target ipv4:10.10.214.10

voice-class codec 1

dtmf-relay rtp-nte

no vad

!

!

!

telephony-service

protocol mode ipv4

sdspfarm units 3

sdspfarm transcode sessions 13

sdspfarm tag 1 BRSP01-MTP

sdspfarm tag 2 BRSP01-XCODE

sdspfarm tag 3 BRSP01-CONF

srst mode auto-provision all

max-ephones 110

max-dn 400

ip source-address 10.255.143.11 port 2000

system message Failover Mode - SRST

time-zone 17

date-format dd-mm-yy

max-conferences 2 gain -6

transfer-system full-blind

transfer-pattern .T

secondary-dialtone 9

!

!